网络教学系统外文翻译

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网络教学英文作文

网络教学英文作文Title: The Evolution and Impact of Online Education。

Introduction:Online education, also known as e-learning, has undergone significant evolution in recent years, revolutionizing the traditional educational landscape. This essay explores the development, advantages, challenges, and future prospects of online education.Development of Online Education:The emergence of the internet and advancements in technology have paved the way for the growth of online education. Initially, it started with simple online courses and resources, but with time, it has evolved into sophisticated platforms offering a wide range of academic programs. From virtual classrooms to interactive learning modules, online education has become increasinglyinteractive and engaging.Advantages of Online Education:1. Accessibility: One of the most significant advantages of online education is its accessibility. It breaks down geographical barriers, allowing students from diverse backgrounds to access quality education.2. Flexibility: Online education offers flexibility in terms of scheduling. Students can learn at their own pace and convenience, balancing their studies with other commitments such as work or family responsibilities.3. Cost-effectiveness: Compared to traditional brick-and-mortar institutions, online education often proves to be more cost-effective. There are no expenses related to commuting, accommodation, or physical infrastructure, making it a more affordable option for many students.4. Diverse Learning Opportunities: Online education provides access to a diverse range of courses and programs,allowing students to explore their interests and pursue specialized fields of study that may not be available locally.5. Technological Integration: Online education leverages technology to enhance the learning experience. From multimedia resources to virtual simulations, technology facilitates interactive and immersive learning environments.Challenges of Online Education:1. Technical Issues: While technology has enabled online education, it also presents challenges such as connectivity issues, software compatibility issues, and technical glitches that can disrupt the learning process.2. Lack of Personal Interaction: One of the criticisms of online education is the lack of face-to-face interaction with instructors and peers. Some students may find it challenging to engage in meaningful discussions and collaborative activities in virtual environments.3. Self-discipline and Motivation: Online learning requires self-discipline and motivation to stay on track with coursework and deadlines. Without the structure of a traditional classroom setting, some students may struggle to maintain focus and accountability.4. Quality Assurance: Ensuring the quality of online education can be a concern, especially with theproliferation of online courses and providers.Accreditation standards and certification mechanisms play a crucial role in maintaining educational standards and credibility.5. Digital Divide: The digital divide refers to the gap between those who have access to technology and those who do not. Socioeconomic disparities can hinder equal access to online education, exacerbating existing inequalities in educational opportunities.Future Prospects of Online Education:Despite the challenges, the future of online education appears promising. Advancements in technology, such as artificial intelligence and virtual reality, hold the potential to further enhance the online learning experience. Additionally, the ongoing shift towards remote work and digitalization is likely to fuel the demand for online education and lifelong learning opportunities. However, it will be essential to address issues related to equity, quality assurance, and technological infrastructure to ensure that online education remains inclusive andeffective for all learners.Conclusion:Online education has transformed the way we learn, offering unprecedented accessibility, flexibility, and opportunities for lifelong learning. While it comes withits own set of challenges, the continued evolution of technology and pedagogy holds the promise of a more accessible, personalized, and engaging learning experience for learners around the globe. As we navigate the future of education, embracing the potential of online learning whileaddressing its limitations will be key to unlocking its full benefits.。

外文翻译---基于网络的教学系统

---------------------------------------------------------------最新资料推荐------------------------------------------------------ 外文翻译---基于网络的教学系统河北建筑工程学院毕业设计（论文）外文资料翻译系别：计算机系专业：计算机科学与技术班级：计 084 班姓名：韩增展学号：2008309413 外文出处：puters can recognize and deal with this kind of expression of information. Digital campus construction is already on going in order to catch the new trend in quality education. The main functions of digital campus cover with distance such as web classroom, courseware on demand, distance examination. The digital campus information management system includes information management system, office automation system, administration examination system and virtual community such as online tutoring, bulletin board system etc. With the intensification of distance web education, how to estimate learning effect locally is an important issue. A comprehensive education system which utilizes information technology of the network to carry on college course to educate, it offers from1 / 15the network classroom, essential study links discussing, answering questions, and processing homework to examination to teachers and students. This system should also support management activity of the educational administration, such as online course project, roll management, follow-up of quality. The self-adapted examination system is a sub-system of the Networking Institute’s demonstration project. In Internet Universal, distance learning is by telephone, television, video and communications, asynchronous transmission mode of teaching information. In recent years, based on the introduction Internet Distance learning, World Wide Web Recognized as the most powerful curriculum information dissemination media, the Internet has hundreds of courses, there are more schools and teachers are being considered for Web Teaching. For Web Teaching, and that is using the World Wide Web as a teaching medium, transmission teaching in the implementation of online teaching, teaching management, and online testing and online exchanges. Realistic and complete implementation based on Web Teaching requires a user-friendly and efficient support online teaching platform support. Currently there are some in the international market such products, such as Lotus Company Learning Space , the British---------------------------------------------------------------最新资料推荐------------------------------------------------------ Columbia University computer science department development Web CT ,WBT System Company Top Class And Canada Simon Fraser University development Virtual. Many companies and schools are also being developed or is ready to develop similar software, such as the key institutions in preparation for the development of modern distance learning and teaching support system. Online teaching platform should be aware of the support functions, which can or should provide the ancillary support, all of which feature current products, for effective online teaching is very important. 2. The main characteristic Teachers can keep a student’s screens’ voice display and send information to all students or a group of broadcast; teachers can watch and listen to a student ‘s information, and control the student’s keyboard and mouse , and do hand in hand type of guidance, and arbitrary switching among students ; and remote window control guidance, the window of multimedia network classroom software can control the intelligent rolling and teachers teaching in various other functions at the same time, the teacher can remote control machine on a number of students at the same time and also can let all (a group or a) student screens arranged in the black screen, and lock the3 / 15keyboard and mouse, reminding the attention of students; intelligent rolling screen: the screen broadcast and remote control operation uses the original smart scroll, free rolling technology, which need not undertake screen scaling, receiving students in the broadcast in the process of watching the operation; the mouse capture: it supports soft cursor, animated mouse cursor, mouse cursor broadcasting, even in windowed mode which can reflect the real-time changes in morphology and mouse; multi-point monitoring: multimedia network classroom software support multiple windows simultaneously with the same When the watch, which can also watch window distributed across multiple machines, real-time monitoring of all the other students in the state machine; broadcast: multimedia network classroom software support more audio and video file formats, support for VCD, MP3, WAV and other documents play online ; automatic login: students on the machine automatically log in the teacher machine; multimedia network classroom software has strong system stability, ensure the teaching process smoothly; perfect functions, beautiful interface which is easy to use the direct and concise operation, using the unified mode of operation; software, multimedia network classroom software does not need a server, simple installation, convenient upgrade---------------------------------------------------------------最新资料推荐------------------------------------------------------ and maintenance; hardware compatibility: multimedia network classroom software contents all the card, sound card, display card and can demonstrate good performance, and won’t appear any unstable phenomenon. 3. Design multimedia network classroom of thought In the multimedia network classroom design, it focuses on solving the user pays as the following issues: (1)the multimedia network classroom is easy to use and individualized demand. Because each teacher for computer to different extent, teachers need to multimedia network classroom is simple and easy to use, one will see, will soon be able to undertake informatizal teaching. The computer master degree higher teacher needs according to computer and information understanding, personalized teaching.(2) multimedia network classroom and practical teaching function. Information teaching is a means of teaching, its purpose is to improve the effect of teaching. This means whether the teaching habits, whether there is a wealth of practical teaching function, really help teachers for teaching, improve the effect of teaching has become the most concern of the teacher.(3)multimedia network classroom teaching management function. If a student who attends class does not5 / 15listen to the teacher carefully, has nothing to do with the classroom things, such as playing games, or simply add or remove programs are headaches in teachers teaching; and in order to guarantee the teaching effection carrying smoothly, it also requires a corresponding teaching management function to assist. 4.The multimedia network classroom program advantages Multimedia network classroom solution has the following advantages.（1） Simple and easy to use, multimedia network classroom software use a graphical interface, whoes each function has a corresponding button, operating on a stick out a mile, so that teachers can see use it easily. （2）Flexible customized, which meets the demand of personal teaching. The teacher can customize multimedia network classroom software interface, icon, toolbar and also can customize the class model at the same time by using multimedia network classroom run concurrent design, each function of teaching can manage any combination and arbitrary. （3） Multimedia network classroom original thumbnail display mode which can make the whole class of the students computer screen contents show to teachers at the same time and let teachers watch easily in global.（4）practical teaching function of multimedia network classroom software offers practical and rich pedagogical features,---------------------------------------------------------------最新资料推荐------------------------------------------------------ including screen broadcasting, video broadcasting, voice broadcasting, issued procedures, and collection operations.（5） Supporting a variety of teaching strategies, which can use the broadcast function to broadcast the teacher’s own screen to everyone.（6） teaching management function in the multimedia network classroom, which is subject to the control of the teacher, students can be remotely set machine, and the multimedia network classroom is also enhanced by many teachers and students interaction, such as remote control, which fully ensured between student and teacher interaction.（7） In order to guarantee the teaching carrying out smoothly, the teacher wants multimedia network classroom software to help manage the students’ situation. Multimedia network classroom software is provided for locking the computer black screen and hush functions（8) Multimedia network classroom daily maintenance workload is very big, the teacher does not have too much time to manage multimedia network classroom maintenance, hoping multimedia network classroom software can provide very good maintenance function. Multimedia network classroom with remote settings, document publishing, charge, delete, remote command, remote control and other functions.（9） multimedia7 / 15network classroom software has strong system stability, high soft, hardware environment compatibility, regardless of level of computer configuration, graphics cards, sound card type, which can guarantee the normal operation of multimedia network classroom.（10） because of the multimedia network classroom is a pure software implementation, simple installation, upgrade and maintenance which is very convenient. 5. The main functions of software in multimedia network teaching (1)Teaching function, including screen broadcasting, screen monitoring, voice broadcast, audio monitor, video broadcasting, electronic drawing board, news release, issued a document, collect documents, documents and other functions which the teacher in the class is the most commonly used functions.(2)Teaching management, multimedia network Teaching management function can ensure the teaching be carried out smoothly, including the class model, group management, call sign, lock computer, silent, black screen log. (3)Maintenance, for the convenience of teachers to multimedia classroom network maintenance, multimedia network teaching provides remote settings and other functions. 6. Multimedia network teaching system building Multimedia network classroom is a small LAN environment, generally uses the 100M switching to the desktop,---------------------------------------------------------------最新资料推荐------------------------------------------------------you can ensure that the audio and video files well transmission.Computer selection of good effects and economic benefitsprinciple, selection of the computer multimedia networkclassroom should let the minimum guarantee the smooth operationof multimedia courseware, and commonly used methods of software,suc h as Word, Powerpoint, teacher’s machine configuration ishigher than the students machine configuration , and the bestbuying support WOL function computer. Finally the teachermachine, student machine, switching with twisted pair link,which sets the TCP / IP protocol, transfering through network,should instals on the multimedia network classroom software anda complete multimedia network classroom building. 基于网络的教学系统 1 导言计算机和网络应用带来了重大变革，我们的社会生活，特别是我们的传统机制的教育得到了重大变革。

外文翻译---基于网络的教学系统

外文翻译---基于网络的教学系统Web-XXX services。

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online XXX way for students to access XXX introduce the features and advantages of Web-XXX.2.Features of Web-Based ork n SystemWeb-XXX System has several key features that make it an effective platform for online learning。

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it provides a wide range of nal resources。

XXX。

e-books。

and online XXX to students at any time and from any n。

Secondly。

the system supports interactive learning。

enabling students to participate in online ns。

submit assignments。

and receive feedback from instructors。

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it offers personalized learning。

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the system provides a secure and reliable platform for online learning。

XXX of student data and n.3.Advantages of Web-Based ork n SystemWeb-XXX。

it provides greater flexibility and convenience。

allowing students to learn at their own pace and on their own XXXfor students who have other commitments。

E-Learning system在线学习系统(英文) (2)

In Partial Fulfillment of the Requirementsfor the Subject Technical Research (MIT504)Submitted to:ENGR. NENET C. GRAZAofGraduate Program - College of Industrial Technology Technological University of the PhilippinesAyala Blvd., ManilaSubmitted by:YANG LIN2ND Semester, SY 2014-2015March 15, 2015Republic of the PhilippinesTechnological University of the PhilippinesCollege of _ Industrial TechnologyManilaGRADUATE PROGRAMSName: LIN YANGProgram: Master of Information TechnologyTOPIC PRESENTATIONTopic No. 1I. General Subject AreaSocial networking software applicationsII. Specific TopicE-Learning system affect people's learning trainingIII. Specifics of ResearchA. Introductione-learning is the use of network technology transfer knowledge to strengthen the range of solutions and job performance . e-learning is based on three basiccriteria: First , e-learning into a network of interconnected , can instantly update , storage, use , distribution, and sharing of teaching content or information ;second , e-learning using standard network technology , through the computer transfer students to the terminal ; third , e-learning is the most focused on the macro learning beyond traditional training model of learning solutions .B. Background of StudyE-Learning does not just mean distance education , online education can also play an important role in the traditional teaching on campus , also in the remote network education, some conventional teaching methods and teaching methods is also very important. E-Learning completely replace the traditional classroom is not realistic, traditional classroom teaching in imparting knowledge , social ,interactive aspects have a huge advantage.E-Learning to enter the campus , not a substitute for traditional teaching style to enter, but continue to collide with traditional teaching , the gradual integration of the collision, the fusion constantly replenished and improved, forming an effective and feasible in practice under the IT environment teaching methodology.We can say that online learning and traditional teaching strengths of blended learning is not a new teaching methods or theories , but with the depth ofinformation technology education , the concept of people's educational thought in return from the surface is , in fact, upward spiral is a reflection of the way .E-Learning can not completely replace face to face learning . Many people look forward to the wave of e-learning can bring more value to the application by , but also to the industry to bring more revenue. But the fact is that e-Learning does not replace face to face learning , but in danger of being marginalized. Thereason , e-Learning can only solve part of the process of corporate trainingissues , and in the training effect, creating a lack of classroom teachingeffectiveness and positive interaction, the training effect will be greatly reduced .Like many people in the training spot passionately, while watching the video to learn but it will yawn as controlled state guarantee the effectiveness of training and trainees are inseparable. In order to further deepen the application of e-Learning , e-Learning training to enhance the effect of the internationalcommunity in the educational technology on the " E-learning " to think deeply proposed a " Blended Learning".C. Research DescriptionObjectives (General and specific)The purpose of this study was to analyze E-Learning Online learning styles shortcomings, combined with the network cloud of new technologies.Specifically, the study aims to(1)build a learning platform that provides fast channel upgrade employee skills , help building a learning organization .(2)the establishment of flexible and secure access control system to provide high-performance systems that meet the requirements of large organizations .(3)support a variety of formats courseware (AICC, SCORM, video , PPT, Word , etc. ) online learning .(4)implementation of training needs , training programs , training, implementation, training, evaluation and monitoring of the whole process of management .(5) teaching resources stored in the ( network cloud ) large data processing centers.(6) teaching sites and popular communication software combines facilitate real-time communication between teachers and students , or leave a message.Manageability (Scope and limitations)E-Learning , although convenient, efficient, a lot of advantages , but it is because of the lack of face to face communication is part of the business leaders is unacceptable ; thus in many enterprises , or just use it as an effective complement to traditional education. Those rich body language , subtle emotional interpersonal ( soft skills ) , management studies, customer service and marketing class training topics still need face to face teaching .Currently in the new E-learning systems and online instructor and learning of the students, plus a new real-time communication software, such as Facebook, WeChat and so on. There are problems and timely communication with teachers and classmates. Trainees will be a benefit.Schedule of ActivitiesReading resources:Internet articles；Software:Web browser；Hardware:Computer；Expected Output1. E_learning systems currently markets and weakness analysis of newtechnologies2. plete project documentationIV. LITERATURE CITED( 1 ) E-Learning Technology Exchange Community /( 2 ) Baidu Encyclopedia /link?url=NJ7Ktc27kN1t8RxwlvKqNP-0EaC7AxVnxwEwJu1caGrLNUQQZ0MHMjKocDyam3bQu5paBc_dBCzOffwABsJgea( 3 ) Wikipedia/wiki/%E7%B7%9A%E4%B8%8A%E5%AD%B8%E7%BF%92Endorsed by: Submitted by:Research Professor Graduate Student (Signature over printed name) (Signature over printed name) Date: Date:。

有关网络教学平台在法学课程教学中的应用的探析中英文对照

有关网络教学平台在法学课程教学中的应用的探析中英文对照About the application of network teaching platform in the course of law teaching analysis contrast in both Chinese and English传统法学授课方式以讲授为主，在高等教育普及化和学生主体性意识不断加强的背景下，有改革的必要。

网络平台教学可以整合现有的教学资源，发挥学生的主体性作用，提高教学效果，因此在法学教学中亦应得到重视。

尤其应从课程展示平台为交互平台并重、理论研究型平台与实践体会型平台并重、单一信息平台与资源中心兼容并重以及政策激励与教师信息技术水平提高并重等方面加强网络平台教学在法学课程教学中的应用。

Traditional teaching method in teaching of law is given priority to, in the higher education popularization and under the background of students subjectivity consciousness constantly strengthen, necessary to reform. Network teaching platform can integrate the existing teaching resources, play a role of the students' subjectivity and improve the teaching effect, so should pay more attention to in the teaching of law. Especially should from the theory of curriculum and display platform for interactive platform, the platform for research and practice experience type platform, and the relation between single information platform and resource center compatible with equal attention and policy incentives, increase the level of teachers' information technology pay equal attention to aspects such as strengthening network teaching application in teaching of law.论文关键词网络教学平台法学课程教学Paper keywords network teaching platform, a law course teaching网络教学平台是指具有组织、跟踪、评估、发送、呈现、管理学习内容与学习活动，促进学习者之间交互等一系列功能的计算机网络系统。

网络教学与传统教学的区别英语作文

网络教学与传统教学的区别英语作文Title: The Evolution of Education: Online Versus Traditional Methods.In the realm of education, the debate between onlineand traditional teaching methods has been raging for years. Both approaches have their own unique strengths and weaknesses, and the choice between them often depends onthe specific needs and preferences of students and teachers alike. In this article, we will delve into the key differences between online and traditional teaching methods, examining their impact on student learning, teacher-student interaction, and the overall education experience.Let's start with the fundamental difference between the two teaching methods: the learning environment. Traditional teaching typically occurs in a physical classroom, where students and teachers gather together to discuss topics, complete assignments, and engage in hands-on learning activities. This environment fosters a sense of communityand collaboration, as students are constantly interacting with their peers and teachers.On the other hand, online teaching takes place in a virtual space, usually through platforms like Zoom, Moodle, or Canvas. This format offers flexibility and convenience, as students can access course materials and lectures from anywhere with an internet connection. However, the virtual learning environment lacks the face-to-face interaction and social dynamics that are inherent in traditional classrooms.In terms of student learning, both methods have their advantages. Traditional classrooms provide a structured learning environment, where teachers can monitor students' progress and provide immediate feedback. This personaltouch is often crucial for students who need extra guidance or encouragement. Additionally, traditional teaching methods often involve hands-on learning experiences, suchas lab experiments or field trips, that cannot bereplicated in an online format.Online teaching, on the other hand, offers a morepersonalized learning experience. Students can work through course materials at their own pace, exploring topics that interest them more deeply. This self-directed approach can be particularly beneficial for students who are motivated and self-disciplined. Furthermore, online courses often come with interactive features like quizzes, discussion forums, and video lectures, which engage students in active learning and promote critical thinking.Teacher-student interaction is another key area where online and traditional teaching methods differ. In traditional classrooms, teachers have the opportunity to get to know their students personally, understanding their learning styles, strengths, and weaknesses. This personal connection allows teachers to tailor their teaching style to the needs of their students, promoting a more effective learning environment.In online teaching, teacher-student interaction is typically limited to email, online forums, or virtualoffice hours. Although these communication channels can be effective, they lack the immediacy and personal touch offace-to-face interaction. However, some online teachers have found innovative ways to bridge this gap, using tools like video conferencing or virtual reality to create a more immersive learning experience.Finally, we must consider the overall education experience offered by each teaching method. Traditional classrooms provide a rich social and cultural experience, where students learn not only academic skills but also how to interact and collaborate with others. This social aspect of education is crucial for developing well-rounded individuals who can function effectively in society.Online teaching, on the other hand, offers a more flexible and convenient education experience. Students can fit their studies into their schedules, allowing them to pursue their passions and interests outside of the classroom. Additionally, online courses often come with a wealth of resources and materials that are not always available in traditional classrooms.In conclusion, the debate between online andtraditional teaching methods is complex and multifaceted. Both approaches have their own unique strengths and weaknesses, and the best choice depends on the specific needs and preferences of students and teachers. As technology continues to evolve and education becomes more personalized, we can expect to see a blend of both online and traditional teaching methods that cater to the diverse needs of today's learners.。

Jilin Agricultural University网络教学系统设计与实现：ASP.NET说明

Design and Implementation of Network Teaching System Based onWei Zhang1,a, He Pan1,b, Taihao Li1,c, Ruiqing Qie2,d* 1Information technology teaching and management center, Jilin Agricultural University,Changchun 130118, China2College of Economics and Management, Jilin Agricultural University, Changchun, 130000,Chinaa b c dKeywords: Network teaching, , SystemAbstract. The development and application of network teaching system is conducive to promoting the construction of online courses, teaching methods and means. This paper designs a network teaching system framework, functions, the establishment of the network teaching system database, the realization of the network teaching system. This system mainly realizes the function of teaching courseware and teaching documents, students' autonomous learning, after class communication, job submission, question answering and testing, etc., which can provide ideas for the construction of the open teaching platform.IntroductionNetwork teaching is based on management. All educational activities carried out in the information technology environment, which has the function of interactive communication. Network teaching system is based on computer network technology, with the theory of system science as a guide, on the school's teaching work of the comprehensive analysis, the introduction of a variety of graphics, text, images, sounds, and other media, convenient for teachers and students in the teaching and learning of the integrated system.As long as the students through a computer access to the Internet, you can learn the curriculum, and according to their actual situation at any time to adjust the learning content and progress. Compared with the traditional classroom teaching mode, the teaching mode is more in conformity with the current individual teaching thought, creating a new teaching mode, breaking the traditional teaching mode in time and space constraints.The current network teaching system, the vast majority of the school, with powerful features, but the configuration is small and flexible. The system goal is the construction of a department of teachers and students a network oriented teaching "platform, teachers can through the release of the system function, the curriculum resources (including curriculum courseware, video programs into the network teaching platform, layout, correcting homework, released announcement and answer questions.Students can through the system to complete the autonomous learning, online watch video, download and upload homework, the teacher can leave the message to the students to learn online, get rid of the traditional classroom teaching restrictions. System achieved a simple deployment, theuse of flexible. The student as the main body of teachers for leading the modernization of teaching thought, a real change in the traditional teaching with the teacher as the center, teacher, students listen to, and back teaching mode, strengthen the information exchange between teachers and students, students and students.Teaching web site for the realization of online teaching, improve teaching efficiency and give full play to its role and significance, to promote the construction and development of curriculum teaching and learning to provide students with the B/S model of the network teaching system.System function module designThe main task of the network teaching system is: Mountain administrators manage all kinds of resources through the management background, and teachers and students through their own space to achieve the purpose of teaching and learning. The teaching and management of the whole system can be divided into 3 main lines: students, teachers, system administrators.the main line of the students. Students through their username and password to login into the student space, by creating their own curriculum directory, adding to the different classes, and to participate in class discussions, the completion of course assignments and implementation of curriculum assessment review and test paper library of learning.Main teachers. Teachers through a user name and password for the distribution system into the teaching system, can create their own teaching subjects, and the subjects courseware upload, homework, pictures, video, audio and other teaching resources, for students to download learning. And through the interactive platform of the system to achieve and student interaction, including the question and answer interaction, job interaction and other types of interaction. And teachers also need to be responsible for maintaining and updating the teaching resources in the system to ensure the availability of teaching resources in the whole system.Main administrator. The administrator is the network teaching system of management, after the identity verification, administrators can the resources of the internal system of whole dielectric, intervention and management of teaching process, so as to provide a reliable guarantee for the quality of teaching and the teaching effect. Specifically, the system administrators can be teachers and students, as well as teaching resources for the query, add and delete, and other management functions.System frame structure designNetwork teaching system based on Web, the development of the framework of the structure must be based on the structure of the model above, so that the system can be used to maximize the network.For the distributed network teaching system, the current commonly used development models are B/S and C/SPast the traditional development mode is the C / S mode, the biggest advantage of this model is in data processing and storage in a relatively concentrated area, but this for large data capacity of the system will undoubtedly increase the burden on the system database server. Therefore, in recent years gradually emerged in the more scientific and reasonable development mode of B / S The so-called B / s development pattern is whole distributed system of data processing andstorage were imposes on the server to complete, realize the system load balance, while requiring only women's common browser, you can achieve the resources of the system as a whole to browse and access without requiring a separate development special client software, greatly reduce the system development of the workload and the difficulty of development.In this paper, the design of the network teaching system based on B/S will be used to develop the structure of Web. The four tier B/S structure is the client browser, Web server, application server and database server. The network structure of the whole system is shown in Figure 1.Function design and implementation of teaching system based on Web For the distributed network teaching system based on Web, how to implement the data operation in the system is very important. In order to achieve reliable data operation, we must first design the corresponding operation logic flow for the data operation, that is, the data operation logic flow. Specific refinement of the data on the path can be divided into the following categories of data operation to manage the following categories.Data modification or query request. For data query or modify, the first is the user data query or modify the request, the system will according to the request to find the corresponding data node in the database, and returns the result to the user or provide data to modify the next day, when data modification after the success of re deposited into the corresponding data node in the database.Formatted data request. When the system receives from the user's data manipulation instruction, first of all to format the data operation instruction, then you will be able to ring should request data, and data manipulation instruction format is analysis refers to the operation instruction of the data type, object, then on, path, and other basic information, so as to complete the data manipulation instruction to provide basic information.Error message. When the user of the dielectric method or data manipulation instruction correctness verification system refused, the system will return to an error to the user message. The message will help users to further improve the system function.Data manipulation command. When the server after received from the user's data manipulation commands, after the formatting of the data manipulation and confirm there is no error information feedback, the commands are passed to the control, thus completing the data manipulation commands.Conclusion Browser Web Server Application Server Data Server Figure 1 The structural framework of teaching system based on WebWith the development of modern educational technology, based on Web network teaching system has emerged as a great vitality and potential, at present the various education system are in the teaching system of network and information technology reform. In the construction based on the web network teaching system, this paper from two angles of structure and function of the module is discussed in detail the design scheme of the system and implementation scheme and the multimedia interactive function were studied and designed, which to further improve the network technology in the modern teaching system design application level has very good guidance and reference significance.AcknowledgmentsFinancial support are acknowledged from Science and Technology Development Foundation of Jilin Province grant No. 20150418079FG and National Nature Science Foundation of China, grant No. 41071160 and Philosophy and Social Sciences planning project of Changchun, grant No. CSK2014ZYJ-0018ReferencesReferences[1] S.F. Zheng: The design and research of network teaching system. Wireless Internet technology. Vol 12(2012)[2] S.F. Zhou: Development and design of network teaching system. Fujian computer Vol 10(2011)[3] Q.W.Meng, T.Liu : Design and implementation of network teaching system based on Cloud Computing. Information and computer Vol 11(2011)[4] Q.Wang: Research and implementation of network teaching system. Software Guide Vol 03(2009)[5] R.X. Liu, L. Gao: Research on a personalized web based teaching system. Computer applications and software Vol 10(2009)[6] P.Luo,Y.Zhai: College Network Teaching System Based on C#. Computer and information technology. Computer and information technology .Vol 08(2008)。

网上学习系统设计与实现--外文翻译

原文：
Td input/output (I/O) system is one of the more difficult tasks for the language designer.This is evidenced by the number of different approaches. The challenge seems to be in covering all eventualities. Not only are there different sources and sinks of I/O that you want to communicate with (files, the console, network connections, etc.), but you need to talk to them in a wide variety of ways (sequential, random-access, buffered, binary, character, by lines, by words, etc.). The Java library designers attacked this problem by creating lots of classes. In fact, there are so many classes for Java’s I/O system that it can be intimidating at first (ironically, the Java I/O design actually prevents an explosion of classes). There was also a significant change in the I/O library after Java 1.0, when the originalbyte-oriented library was supplemented with char-oriented, Unicode-based I/O classes. In JDK 1.4, the nio classes (for “new I/O,” a name we’ll still be using years from now) were added for improved performance and functionality. As a result, there are a fair number of classes to learn before you understand enough of Java’s I/O picture that you can use it properly. In addition, it’s rather important to understand the evolution history of the I/O library, even if your first reaction is “don’t bother me with history, just show me how to use it!” The problem is that without the historical perspective, you will rapidly become confused with some of the classes and when you should and shouldn’t use them. This chapter will give you an introduction to the variety of I/O classes in the standard Java library and how to use them. Before getting into the classes that actually read and write data to streams, we’ll look at a utility provided with the library to assist you in handling file directory issues. The File class has a deceiving name; you might think it refers to a file, but it doesn’t. It can represent either thenameof a particular file or thenamesof a set of files in a directory. If it’s a set of files, you can ask for that set using the list( ) method, which returns an array of String. It makes sense to return an array rather than one of the flexible container classes, because the number of elements is fixed, and if you want a different directory listing, you just create a different File object. In fact, “FilePath” would have been a better name for the class. This section shows an example of the use of this class, including the associated FilenameFilter interface. Suppose you’d like to see a directory listing. The File object can be listed in two ways. If you call list( )with no arguments, you’ll get the full list that the File object contains. However, if you want a restricted list—for example, if you want all of the files with an extension of.java—then you use a “directory filter,” which is a class that tells how to select the File objects for display. Here’s the code for the example. Note that the result has been effortlessly sorted (alphabetically) using the java. It says all that this type of object does is provide a method called accept( ). The whole reason behind the creation of this class is to provide the accept( ) method to the list( ) method so that list( ) can “call back” accept( ) to determine which file names should be included in the lis

网络教学系统外文翻译文献

网络教学系统外文翻译文献(文档含中英文对照即英文原文和中文翻译)原文：SQL serverSQLSQL is Structured Query Language English acronym, which means for the Structured Query Language. SQL language is the main function of establishing ties with the various databases, for communication. In accordance with ANSI (American Nationa l Standards Institute) requirements,SQL as a relational database management system standard language. SQL statements can be used to implement a wide range of operations, such as updating the data in the database, extract data from the database and so on. At present, the vast majority of the popular relational database ma nagement systems suchas Oracle, Sybase, Microsoft SQL Server , Access, adopted the standard SQL language. Although many databases on the SQL statement for the redevelopment and expansion, but including the Select, Insert, Update, Delete, Create, and Drop, including the standard SQL commands can be used to complete almost all the database operations.SQL ServerSQL Server is a relational database management system. It was originally proposed by Microsoft Sybase and Ashton-T ate three companies jointly developed in 1988 with the introduction of the first OS / 2 version. After the introduction of Windows NT in, Microsoft and Sybase in the development of SQL Server on the split,Microsoft will migrate to SQL Server on Windows NT system, focusing on promoting the development of SQL Server version of Windows NT . Sybase is more focused on SQL Server in the UNIX operating system applications. SQL Server 2000 is Microsoft Launches the SQL Server data base management system, the inherited version of SQL Server 7.0 version of the merits, at the same time it increases than many of the more advanced features. Good scalability with ease of use and related high degree of software integration, across from the running Microsoft Windows 98 laptop running Microsoft Windows 2000 large-scale multi- processor servers such as the use of multiple platforms.SQL Server 2005SQL Server 2005 is a comprehensive database platform, the use of integrated business intelligence (BI) tools to provide enterprise-class data management. SQL Server 2005 relational database engine for data and structured data to provide a more secure and reliable storage function that allows you to build and manage high availability for business an d high-performance data applications.SQL Server 2005 data engine is the enterprise data management solutions for the core. The SQL Server 2005 combines the analysis, reporting, integration and notifications. This makes your business can build and deploy cost-effective BI solutionsthat help your team through the Scorecard, Dashboard, Web services and data applications to mobile devices to all areas of business. With Microsoft Visual Studio, Microsoft Office System and the new development kit (including the Business Intelligence Development Studio) to enable the close integration of SQL Server 2005 unique. Whether you're a developer , database administrator , information worker or decision-makers, SQL Server 2005 that can provide you with innovative solutions to help you benefit from more data.Microsoft SQL Server 2008SQL Server 2008 is a major product version, it introduced many new features and Key improvements made to date it has become the strongest and most comprehensive version of SQL Server. The article described in detail in Microsoft SQL Server 2008's new features, advantages and features ……Microsoft's data platform to meet these data explosion and the next generation of data –driven applications that demand and support the data platform vision: mission-critical enterprise data platform, dynamic development, relational data and business intelligence.Microsoft data platform visionSQL Server's visionMany factors have led to an explosion of information storage. A new type of information, such as pictures and digital video, and RFID tags obtained from the sensor information, the company's digital information in the rapid growth of the number .Compliance with the norms and requirements of the development of globalization, the security of information storage and are available at any time. At the same time, the cost of disk storage significantly reduced so that every dollar invested can store more data. Users to move quickly in a large amount of data to find relevant information. In addition, on any device they want to use this information, and plan to use every day , such as the Microsoft Office system applications. The explosion of dataand user expectations for an increase in the management of the company has created many challenges. Microsoft? data platform vision to provide a solution to meet these needs, this solution is companies can store and manage the use of many data types, including XML, e-mail, time /calendar , files, documents, geographic, etc., at the same time provide a rich set of services to interact with the data: search, query , data analysis, reporting, data integration, synchronization and powerful. Users can access from the creation to archive to any device, from desktop to mobile devicesThe platform has the following characteristics:Trusted - allows the company can be a very high security , reliability and scalability to run their most mission-critical applications.Efficient - allows the company to reduce development and management of their data infrastructure of the time and cost.Intelligence - provides a comprehensive platform for users in your time of need to send him to observe and information.A trusted(A) the protection of your informationIn the past the basis of SQL Server 2005 on, SQL Server 2008 made the following enhancements to expand its security:* Simple data encryptionSQL Server 2008 can be the entire database, data files and log files for encryption, without requiring changes to applications. Encrypt enable companies to meet compliance with the norms and their concern about data privacy requirements. Simple and the benefits of data encryption including the use of any scope or ambiguous search query data encryption to enhance data security to prevent unauthorized user access, as well as data encryption. These can change the applications have been conducted.* Foreign key managementSQL Server 2008 for the encryption and key management provides a comprehensivesolution. In order to meet evolving data center for more information on the needs of security , to the supplier's investment company to manage the security key . SQL Server 2008 by supporting third-party key management and hardware security module (HSM) products to provide for the needs of a very good support.* Enhanced the reviewSQL Server 2008 allows you to review the operation of your data, resulting in improved compliance and security . Review of more than modification of data, including all of the information, but also on the data when reading the information. SQL Server 2008 as server with enhanced configuration and management review of such a function, which allows the company to meet the needs of a variety of norms. SQL Server 2008 can also define a database review of each specification, so the review can be configured for each separate database for the development. For a specific configuration object for the review so that review of the implementation of better performance, higher flexibility in configuration.(Ii) to ensure business sustainability* Improved database mirroringSQL Server 2008 on SQL Server 2005, and provides a more reliable database mirroring to enhance the platform. The new features include: Automatic page repair . SQL Server 2008 through a request for cooperation from the mirror to be the wrong machine to copy pages to the main computer and the image can be transparent to repair the data page 823 and 824 errors. To improve performance. SQL Server 2008 reduced the output of the log stream in order to enable database mirroring the network bandwidth required to achieve the minimum.————lubenv Access2000 FORTUEN [J].卷次：14刊期：5 September 2007 .译文：SQLSQL是英文 Structured Query Language 的缩写，意思为结构化查询语言。

网上教学的英文作文

网上教学的英文作文Online teaching has become increasingly popular in recent years. It offers convenience and flexibility for both students and teachers. With just a computer and internet connection, students can access high-quality education from anywhere in the world.One of the biggest advantages of online teaching is the ability to access a wide range of resources. Teachers can use multimedia tools, interactive websites, and online databases to enhance their lessons. This allows for a more dynamic and engaging learning experience for students.Online teaching also promotes self-discipline and time management skills. Students have to be responsible fortheir own learning and be proactive in seeking help when needed. This can help them develop important skills that are valuable in the workforce.Another benefit of online teaching is the opportunityfor personalized learning. Students can work at their own pace and receive individualized attention from their teachers. This can be especially beneficial for students who may struggle in a traditional classroom setting.Despite these advantages, online teaching also has its challenges. One of the biggest concerns is the lack offace-to-face interaction. Building relationships and fostering a sense of community can be more difficult in an online environment.In conclusion, online teaching has its pros and cons, but it is clear that it is here to stay. As technology continues to advance, the opportunities for online education will only grow. It is important for both teachers and students to adapt to this new way of learning and make the most of the resources available.。

在线教学系统Teachingsubsystem

分类号：TP学校代码：学号：本科生毕业论文（设计）大学计算机公共课程网络教学系统之教学子系统Teaching sub-system of the university computer public course network teaching system所在系(院)：信息技术学院学生：指导教师：研究起止日期：二○○六年十一月至二○○七年五月二○○七年五月南京晓庄学院学士学位论文摘要大学计算机公共课程是高等学校普遍开设的公共基础课，随着教学内容不断丰富，要在原有的教学课时内达到大纲所规定的理论与技能的要求越来越困难，这就要求教学手段也必须不断更新。

网络教学弥补了传统教学的不足。

在对计算机公共课程网上教学进行研究的基础上，以《大学计算机信息技术》为例，开发了大学计算机公共课程网络教学系统。

本文详细阐述了《大学计算机信息技术》网络教学系统之教学子系统的总体结构以及设计开发与实现的关键性技术。

本系统是为教师与学生提供了方便、有效的学习交流平台。

本系统主要分为三部分：网上学习区、讨论区、教区工作区。

网上学习区：首页公告、教学内容、课件下载；讨论区：发送邮件；教师工作区：公告管理、课件管理。

本系统使用Dreamweaver MX 2004 作为网站的开发工具,利用ASP技术实现交互式动态网页，运用Photoshop以及flash动画制作辅助网页设计。

本系统操作简便，实用性强。

关键词：网络教学，Dreamweaver MX 2004，ASP ，IIS第 2 页共39 页南京晓庄学院学士学位论文AbstractThe public course of the university computer is the public foundation lesson that the university and college is widespread to set up, along with the content of course continuously abundant, the request that wants to attain the theories and technical abilities that outline rule in original teaching lesson is more and more difficult, this will beg the teaching means and also must renew continuously. The network teaching made up the shortage of the traditional teaching. At to public course net of computer up the teaching carries on the foundation of research up, to take 《The university computer information technique》 as an example, developed the public course network teaching system of the university computer.This text is detail to elaborate 《 The university computer information technique 》total structure and decisive technique of design development and realizations of the teaching sub- system of the network teaching system. This system provided the convenience, the valid study exchanges platform for the teacher and student. This system mainly is divided into three parts: on-line study area, discussion area, teacher work area. On-line study area: first page announcement, content of courses, courseware’s download; Discussion area: transmit E-mail; Teacher work area: announcement’s management, courseware’s management, password modification. This system uses the Dreamweaver MX 2004 be the development tool of the website, make use of the ASP technique realization to hand over with each other the type dynamic state web page, usage Photoshop and the Flash animation creation assistance webpage designing. This system operation is simple, the function is strong. Keywords：Internet Education， Dreamweaver MX 2004， ASP ，IIS。

外文翻译--论智能化的网上学习及管理系统应用

外文原文By intellectualized on-line study andmanagement system application1 network education administration system application present situationAccording to our country Ministry of Education data statistics, to 2003, our country had the nearly 3 ten thousand schools to establish the campus net, increased nearly 10 times two years ago, but, the statistical data also indicated that 90% campus network occupied one kind not yet put to full use the condition, the information technology education to apply far has not achieved the anticipated target. At present our country education administration system application present situation unsatisfactory reason are many, speaking of the network education administration system specification aspect, its subject matter has the following several spots.1.1 lacks the complete network education administration system specificationBecause lacks a set of complete network education administration system standard, therefore the system standard, incomplete, mutually is incompatible, carries on the system exchange with difficulty. Along with the nationwide network education administration system's gradual establishment, the massive information's value and the function obtain with difficulty manifest and display, some even become information trash.1.2software designs are not standardThe software is a network education administration system work important component, because lacks a set of perfect software design standard, all levels of education administration department and school develops or the software which purchases from the software company, the existence many design not standards, the compatible bad question.2 network education administration system system designNation science of education key topic "In Informationization Advancement Educational technique Development Research" sub-topic "Modern Distance learning High tech Characteristic And Intellectualized Tendency" initiating a project has provided the development network education administration system's rare opportunityand the comprehensive strength condition. Network teaching management system's research implementation, not only may raise the school system's management level, moreover can reduce the network education cost greatly, is the country makes the macroscopic plan and the macro-scientific policy-making in the personnel training aspect provides the support2.1 design mentality1)In the network teaching management system considered that the network university's each kind of concrete internal teaching educational administration management, the extraction general character, realize have the strong representative administration module;2)At the same time must consider these network university composes each kind of crosswise unified body - - - university dynamic alliance cooperation and cooperation relations design;3)Simultaneously provides the visit connection, so that the later higher authority Education administrative department can visit these connections through the higher authority management tool, thus obtains the subordinate network educational institution promptly effectively fast through the longitudinal channel the related information, carries on the surveillance and the correct directive instruction promptly.2.2 technical solutionsThe network education administration system is refers to take the network as the main medium, uses in supporting the teacher teaching and the student studies, can for the teacher, the student provide the information, the tool and the service system, it constitutes by the software system and the hardware system. The network education administration system besides has in the common computer network's basic function like shared network software hardware function, the email service, the file transfer service and so on, but should also have interactive, the instantaneity, openness, characteristics and so on resource sharing, as well as can provide the rich educational resources, to carry on functions automatically and so on education information management.3 network education administration system's function and architecture3. 1 network education administration functionNetwork environment's teaching with study is one involves each kind of personto participation, both has certain time span, and to have strongly “real-time” the request dynamic process. Teaching both sides may be in the different place in this activity. Is one uses in the teaching management based on the network teaching management system the software system, its management object is the network teaching activity entire process and all related essential factor, it takes the communication by the network the infrastructure, provides the service through the network to each kind of user. May summarize based on the network education administration system's function for the response, the monitoring, the direction, the appraisal. A network education administration system (Net - Basic Education Management System, NBEMS) has the following management function, the network education administration system also has is different with the traditional education management characteristic: Interactive, personalization and controllability.3. 2 network education administration architectureThe network education administration system faces the user has 6 statuses: The teacher, the student, the teaching management personnel, the teaching assistant, the system administration attendants as well as other personnel, like the exterior browsing, have not chosen the class student and so on. Looking from a service system's angle, its major function accepts the user service request, provides the corresponding service; Looking from a information management system's angle, it supports the network teaching activity and the management entire process information acquisition, the receive, the memory, the management, the transmission and the data analysis. The network education administration system architecture uses the client/server pattern generally (C/S) or the browser/server (B/S) the pattern. At the same time, system's client side many are the thin client, like this is advantageous in reduces the network load, raises the transmission speed. The network education administration function's execution majority is completes (this kind of pattern on the network education center server to need network data bank technology support, like ADO, JSP and so on). Therefore, the network education center server is the network educational system's core, it all-weather monitors the client side request, provides the prompt service for the system user, the management and distribution system's software and hardware resources, the control and the coordinated on-line study carries on smoothly, promotes each learner to decide the study goal realization, simultaneously also promotes system educational goal realization.中文译文论智能化的网上学习及管理系统应用1 网络教育管理系统应用的现状据我国教育部数据统计,到2003 年,我国有近3 万学校建立了校园网,比两年前增加了近10 倍,但是,统计数据也表明90 %的校园网络都处在一种没有充分利用的状态,信息技术的教育应用远未达到预期目标。

网络教学系统外文翻译文献

网络教学系统外文翻译文献网络教学系统外文翻译文献(文档含中英文对照即英文原文和中文翻译)原文：SQL serverSQLSQL is Structured Query Language English acronym, which means for the Structured Query Language. SQL language is the main function of establishing ties with the various databases, for communication. In accordance with ANSI (American Nationa l Standards Institute) requirements,SQL as a relational database management system standard language. SQL statements can be used to implement a wide range of operations, such as updating the data in the database, extract data from the database and so on. At present, the vast majority of the popular relational database ma nagement systems suchas Oracle, Sybase, Microsoft SQL Server , Access, adopted the standard SQL language. Although many databases on the SQL statement for the redevelopment and expansion, but including the Select, Insert, Update, Delete, Create, and Drop, including the standard SQL commands can be used to complete almost all the database operations.SQL ServerSQL Server is a relational database management system. It was originally proposed by Microsoft Sybase and Ashton-T ate three companies jointly developed in 1988 with the introduction of the first OS / 2 version. After the introduction of Windows NT in, Microsoft and Sybase in the development of SQL Server on the split,Microsoft will migrate to SQL Server on Windows NTsystem, focusing on promoting the development of SQL Server version of Windows NT . Sybase is more focused on SQL Server in the UNIX operating system applications. SQL Server 2000 is Microsoft Launches the SQL Server data base management system, the inherited version of SQL Server 7.0 version of the merits, at the same time it increases than many of the more advanced features. Good scalability with ease of use and related high degree of software integration, across from the running Microsoft Windows 98 laptop running Microsoft Windows 2000 large-scale multi- processor servers such as the use of multiple platforms.SQL Server 2005SQL Server 2005 is a comprehensive database platform, the use of integrated business intelligence (BI) tools to provide enterprise-class data management. SQL Server 2005 relational database engine for data and structured data to provide a more secure and reliable storage function that allows you to build and manage high availability for business an d high-performance data applications.SQL Server 2005 data engine is the enterprise data management solutions for the core. The SQL Server 2005 combines the analysis, reporting, integration and notifications. This makes your business can build and deploy cost-effective BI solutionsthat help your team through the Scorecard, Dashboard, Web services and data applications to mobile devices to all areas of business. With Microsoft Visual Studio, Microsoft Office System and the new development kit (including the Business Intelligence Development Studio) to enable the close integration of SQL Server 2005 unique. Whether you're a developer , databaseadministrator , information worker or decision-makers, SQL Server 2005 that can provide you with innovative solutions to help you benefit from more data.Microsoft SQL Server 2008SQL Server 2008 is a major product version, it introduced many new features and Key improvements made to date it has become the strongest and most comprehensive version of SQL Server. The article described in detail in Microsoft SQL Server 2008's new features, advantages and features ……Microsoft's data platform to meet these data explosion and the next generation of data –driven applications that demand and support the data platform vision: mission-critical enterprise data platform, dynamic development, relational data and business intelligence.Microsoft data platform visionSQL Server's visionMany factors have led to an explosion of information storage.A new type of information, such as pictures and digital video, and RFID tags obtained from the sensor information, the company's digital information in the rapid growth of the number .Compliance with the norms and requirements of the development of globalization, the security of information storage and are available at any time. At the same time, the cost of disk storage significantly reduced so that every dollar invested can store more data. Users to move quickly in a large amount of data to find relevant information. In addition, on any device they want to use this information, and plan to use every day , such as the Microsoft Office system applications. The explosion of data and user expectations for an increase in the management of the company has created many challenges. Microsoft? dataplatform vision to provide a solution to meet these needs, this solution is companies can store and manage the use of many data types, including XML, e-mail, time /calendar , files, documents, geographic, etc., at the same time provide a rich set of services to interact with the data: search, query , data analysis, reporting, data integration, synchronization and powerful. Users can access from the creation to archive to any device, from desktop to mobile devicesThe platform has the following characteristics:Trusted - allows the company can be a very high security , reliability and scalability to run their most mission-critical applications.Efficient - allows the company to reduce development and management of their data infrastructure of the time and cost.Intelligence - provides a comprehensive platform for users in your time of need to send him to observe and information.A trusted(A) the protection of your informationIn the past the basis of SQL Server 2005 on, SQL Server 2008 made the following enhancements to expand its security: * Simple data encryptionSQL Server 2008 can be the entire database, data files and log files for encryption, without requiring changes to applications. Encrypt enable companies to meet compliance with the norms and their concern about data privacy requirements. Simple and the benefits of data encryption including the use of any scope or ambiguous search query data encryption to enhance data security to prevent unauthorized user access, as well as data encryption. These can change the applications have been conducted.* Foreign key managementSQL Server 2008 for the encryption and key management provides a comprehensivesolution. In order to meet evolving data center for more information on the needs of security , to the supplier's investment company to manage the security key . SQL Server 2008 by supporting third-party key management and hardware security module (HSM) products to provide for the needs of a very good support.* Enhanced the reviewSQL Server 2008 allows you to review the operation of your data, resulting in improved compliance and security . Review of more than modification of data, including all of the information, but also on the data when reading the information. SQL Server 2008 as server with enhanced configuration and management review of such a function, which allows the company to meet the needs of a variety of norms. SQL Server 2008 can also define a database review of each specification, so the review can be configured for each separate database for the development. For a specific configuration object for the review so that review of the implementation of better performance, higher flexibility in configuration.(Ii) to ensure business sustainability* Improved database mirroringSQL Server 2008 on SQL Server 2005, and provides a more reliable database mirroring to enhance the platform. The new features include: Automatic page repair . SQL Server 2008 through a request for cooperation from the mirror to be the wrong machine to copy pages to the main computer and the image can be transparent to repair the data page 823 and 824errors. To improve performance. SQL Server 2008 reduced the output of the log stream in order to enable database mirroring the network bandwidth required to achieve the minimum.————lubenv Access2000 FORTUEN [J].卷次：14刊期：5 September 2007 .译文：SQLSQL是英文 Structured Query Language 的缩写，意思为结构化查询语言。

网络授课英文作文

网络授课英文作文1. Online teaching has become increasingly popular in recent years. Many teachers and students are now able to connect through digital platforms, such as Zoom or Google Meet. This has made it easier for people to access education from anywhere in the world, as long as they have an internet connection.2. One of the benefits of online teaching is the flexibility it offers. Students can learn at their own pace and teachers can create customized lesson plans to meet the needs of individual learners. This is particularly useful for students who may have other commitments, such as work or family responsibilities, that make it difficult for them to attend traditional classes.3. Another advantage of online teaching is the ability to use multimedia resources. Teachers can incorporate videos, images, and interactive activities into their lessons to make them more engaging and effective. This canhelp students to better understand and retain information.4. However, there are also some challenges associated with online teaching. One of the biggest is the lack offace-to-face interaction. This can make it difficult for teachers to gauge students' understanding and provide feedback. It can also be harder for students to ask questions and participate in discussions.5. To address these challenges, teachers need to be creative in their approach to online teaching. They can use tools like chat rooms and discussion boards to facilitate communication and encourage interaction. They can also provide regular feedback and hold virtual office hours to give students the opportunity to ask questions and get help.6. Overall, online teaching has revolutionized the way we learn and teach. It has opened up new opportunities for people to access education and has made learning more convenient and flexible. While there are challenges to overcome, with the right approach, online teaching can be just as effective as traditional classroom teaching.。

“网络教学”英语怎么说

“网络教学”英语怎么说名词解释：学校利用计算机网络为主要手段教学，是远程教学的一种重要形式，是利用计算机设备和互联网技术对学生实行信息化教育的教学模式。

网络教学相比传统教学模式，更能培养学生信息获取、加工、分析、创新、利用、交流的能力。

网络教学能够培养学生良好的信息素养，把信息技术作为支持终身学习和合作学习的手段，为适应信息社会的学习、工作和生活打下必要的基础。

你知道怎么用英语表达吗?Online education may have great potential in China, a country where many parents offer all they can to provide the best education for their children.Education in the future will be a combination of online and offline. Experts predict content will be enriched to include vocational skills and personal interests. Instead of standing at the front of a classroom, teachers now can teach in the sitting room via a computer, camera and microphone.There's an increasing number of Internet users in China. More of them are getting used to online classes and the number of learners in China is expected to grow to 120 millionin 2017, analysts say.网络教学在中国可能拥有巨大的潜力。

网络教学与传统教学的区别英语作文

网络教学与传统教学的区别英语作文英文回答：Differences between Online and Traditional Education.In the realm of education, the advent of online learning has sparked a paradigm shift, offering an alternative to traditional classroom-based instruction. While both modalities seek to impart knowledge and skills, they differ significantly in their delivery methods, learning environments, and implications for students and educators.Delivery Methods.Online education is characterized by its asynchronous nature, allowing learners to access course materials and complete assignments at their own pace and convenience. Students typically interact with content through online platforms, virtual classrooms, and video conferencing.Traditional education, on the other hand, is synchronous, requiring students to attend classes at specific times and locations.Learning Environments.Online learning fosters a self-paced and flexible learning environment, where learners can set their own study schedules and work from any location with an internet connection. This flexibility can be particularly beneficial for individuals with busy schedules or those who live far from educational institutions. Traditional education, in contrast, provides a structured and supervised learning environment, where students are expected to attend class regularly and participate in face-to-face interactions.Student Engagement.In online education, students have the advantage of accessing a wide range of resources and learning materials on demand. However, they also face the challenge of staying motivated and engaged in the absence of face-to-faceinteractions. Traditional education offers more opportunities for direct interaction with instructors and classmates, which can enhance engagement and foster a sense of community.Educator Roles.In online education, instructors primarily serve as facilitators and mentors, providing guidance and support to students through asynchronous communication channels. They design and deliver course materials, respond to student inquiries, and evaluate assignments. In traditional education, instructors play a more active role in the learning process, leading classroom discussions,facilitating in-person interactions, and providing immediate feedback.Assessment.Online education typically relies on a variety of assessment methods, including online quizzes, discussion forums, and written assignments. Traditional educationoften incorporates a combination of in-class exams, papers, and projects. The assessment methods in traditional education allow for more immediate evaluation and feedback, while online assessments provide greater flexibility and convenience.Advantages and Disadvantages.Online Education.Advantages: Flexibility, self-pacing, accessibilityfor remote learners.Disadvantages: Lack of face-to-face interactions, potential for isolation.Traditional Education.Advantages: Structured learning environment, direct instructor and peer interactions.Disadvantages: Limited flexibility, may not beaccessible for all learners.In summary, online and traditional education offer distinct approaches to learning, each with its own advantages and disadvantages. Online education provides flexibility, self-pacing, and accessibility, while traditional education offers a structured environment, direct interactions, and immediate feedback. The choice between the two modalities depends on individual needs, learning styles, and circumstances.中文回答：网络教学与传统教学的区别。

网络在线学习外文文献翻译中英文

网络在线学习外文翻译中英文英文Online learning: Adoption, continuance, and learning outcome—A review ofliteratureRitanjali Panigrahi, Praveen Srivastava, Dheeraj Sharma AbstractThe use of Technology to facilitate better learning and training is gaining momentum worldwide, reducing the temporal and spatial problems associated with traditional learning. Despite its several benefits, retaining students in online platforms is challenging. Through a literature review of the factors affecting adoption, the continuation of technology use, and learning outcomes, this paper discusses an integration of online learning with virtual communities to foster student engagement for obtaining better learning outcomes. Future directions have been discussed, the feedback mechanism which i s an antecedent of students’ continuation intention has a lot of scopes to be studied in the virtual community context. The use of Apps in m-learning and the use of cloud services can boost the ease and access of online learning to users and organizations.Keywords: Online learning, Virtual community, Technology adoption, Technology continuation, Learning outcomeIntroductionOnline learning and training are gaining popularity worldwide, reducing the temporal and spatial problems associated with the traditional form of education. The primary factors behind using online learning are not only to improve access to education and training, and quality of learning, but also to reduce the cost and improve the cost-effectiveness of education (Bates, 1997). Online learning is mainly provided in two ways—in synchronous and asynchronous environments (Jolliffe, Ritter, & Stevens, 2012). The time lag attributes of asynchronous learning unlike synchronous learning in online platforms take the advantage of accessing materials anytime and anywhere, ability to reach a greater mass at the same time, and uniformity of content. Online learning along with face-to-face learning is successfullyused in industry as well as academia with positive outcomes (Chang, 2016). The geographically distributed team in an organization can get their skill training through online platforms at the same time, gaining a greater level of competitiveness. Online learning is also beneficial for students as they can learn at their own pace with the availability of online materials. The e-learning market is becoming popular and widely adopted by the education sector and industry. The growth of the e-learning market can be demonstrated by the fact that the global e-learning market is expected to reach 65.41 billion dollars by 2023 growing at a cumulative average growth rate of 7.07% (Research and Markets, 2018a). In addition to this, the global learning management system (LMS) is expected to increase from 5.05 billion USD in 2016 to 18.44 billion USD by 2025 growing at a rate of 15.52% (Research and Markets, 2018b).Despite several advantages of online learning such as improving access to education and training, improving the quality of learning, reducing the cost and improving the cost-effectiveness of education, retaining students in such platforms is a key challenge with a high attrition rate (Perna et al., 2014). Several strategies such as briefing, buddying, and providing feedback on the platform are proposed to retain and engage students (Nazir, Davis, & Harris, 2015). It is also noted that more self-discipline is required by students in online education, unlike traditional classroom education (Allen & Seaman, 2007). Keeping users enrolled and engaged is a challenging job as a personal touch by the instructor is missing or limited. The learning engagement which is an important antecedent for learning outcome is lower for technology-mediated learning than face-to-face learning (Hu & Hui, 2012). As a higher amount of money is spent on infrastructure, staff training, etc., organizations seek to take maximum benefit from online learning which requires an understanding of the factors that drive the adoption, continuation intention, and learning outcome of users on online learning platforms. Therefore, the primary focus of research remains on how to retain online learning users, and increase the efficiency of the online learning.Users may learn inside and outside the classroom; inside classroom learning isthrough instructors either from face-to-face, pure online or blended learning (combination of face-to-face and pure online learning) whereas outside classroom learning is conducted by users anytime and anywhere after the class. The exponential growth of the Internet has enabled individuals to share information, participate, and collaborate to learn from virtual communities (VC) anytime and anywhere (Rennie & Morrison, 2013). In a virtual community, people do everything that they do in real life but leaving their bodies behind (Rheingold, 2000). Virtual communities keep its users engaged based on familiarity, perceived similarity, and trust by creating a sense of belongingness (Zhao, Lu, Wang, Chau, & Zhang, 2012). It is essential to assess the role of a less constrained informal mode of learning (Davis & Fullerton, 2016) like virtual communities in the formal learning to engage and retain students.DiscussionGetting a new idea adopted even when it has obvious advantages is often very difficult (Rogers, 2003). Consistent with the previous statement, despite the advantages of online learning such as improving accessibility, quality, and reducing cost, it has a long way to go to be adopted and used by organizations because of the resistance at different levels (Hanley, 2018). The reasons for resistances offered by the employees in an organizations include perceived poor focus of the e-learning initiative, lack of time to learn new way of working, too much effort to change, lack of awareness, and resistance to change (Ali et al., 2016; Hanley, 2018). It is crucial from an institutional point of view to overcome the resistance to adopt and implement the online learning systems successfully.Understanding the factors of online learning adoption, continuation use intention, and learning outcomes are vital for an e-learning platform providing organization because the success of the platform depends on the successful adoption, continuation use, and finally achieving the desired outcomes. From the literature, it is found that the national culture affects the adoption and moderates the relationship between variables of adoption and use. Therefore, the results of adoption and use of technology might differ in different counties with different cultural dimensions. At a broader level, the perceived characteristics of innovation (of online learning) such as relativeadvantage, compatibility, complexity, trialability, and observability play a significant role in adoption. At an individual level, the primary factors of adoption are the individual expectancies such as the perceived usefulness, perceived ease of use, perceived enjoyment, performance expectancy, effort expectancy, etc., and the external influences such as subjective norm, social norms, surrounding conditions, national culture, social network characteristic, etc. On the other hand, the primary factors of continuation of technology use are the experiences of the individuals in the technology such as satisfaction, confirmation, self-efficacy, flow, trust, we-intention, sense of belongingness, immersion, IS qualities, etc. The perceived usefulness and perceived ease of use are found to be vital for both the technology adoption and continuation use. This implies that the usefulness of the technology and how easy the technology to use determines the adoption and continuation of technology. Apart from these technology enablers, the platform providers should consider the technology inhibitors which negatively impact the acceptance of the technology. The factors of the learning outcomes such as self-efficacy, virtual competence, engagement, design interventions, etc. should be considered before designing and delivering the content in the online learning platform to achieve optimum learning outcomes. The learners’ intention to use full e-learning in developing countries depends on the lea rners’ characteristics, and learners’ adoption of blended learning (Al-Busaidi, 2013). Studies for example by Verbert et al. (2014) have shown that blended learning yields the best outcome in terms of grade when students learn in online collaborative learning with teacher’s initiation and feedback. On the contrary, some studies have shown that contents such as business games do not need the interaction with the instructor; in fact, they are negatively related to perceived learning (Proserpio & Magni, 2012). MOOC (Massive Open Online Course) users have organized face-to-face meetings to fulfill their belongingness or social connectedness as a part of their learning activity (Bulger, Bright, & Cobo, 2015). This indicates that not everyone is good with a digitized form of learning, and hence both face-to-face and online components should be integrated for better outcomes.Lack of human connection is one of the limitations of online learning (Graham,2006) which may reduce the satisfaction level. To address this limitation, personalization functions of e-learning systems began. The satisfaction level, perceived and actual performance, self-efficacy scores increase in personalized online learning where learning materials are provided according to the cognitive capability and style of each individual (Xu, Huang, Wang, & Heales, 2014). Although personalization of e-learning systems is beneficial, they are socially and ethically harmful, and special attention should be given to issues such as privacy compromisation, lack of control, the commodification of education, and reduced individual capability (Ashman et al., 2014). Personal e-learning systems collect user information to understand the users’ interests and requirements for the learning which violates the privacy of individuals. The system utilizes the user information to show the personal content where the individuals do not have control over the learning content. Hence they are limited to certain personal contents which reduce their individual capabilities.Studies, for example, Zhao et al. (2012) have shown that VCs create a sense of belongingness and keeps the members engaged which results in improving the learning outcome, and users with same age groups are less likely to attrite (Freitas et al., 2015). Studies have shown that engagement is promoted when criteria such as problem-centric learning with clear expositions, peer interaction, active learning, instructor accessibility and passion, and using helpful course resources are met (Hew, 2015). Social interactions through social networking produce an intangible asset known as social capital (Coleman, 1988) in terms of the trust, collective action, and communication. Social capital is positively related to online learning satisfaction in group interactions, class interactions, learner-instructor interactions, as well as increasing students’ e-learning performance in groups (Lu, Yang, & Yu, 2013).The continuous development of mobile technology has expanded the opportunity to learn from mobile devices anywhere, anytime. M-Learning is much more beneficial for accessing education in remote areas and developing countries. The success of M-learning in organizations depends on organizational, people, and pedagogical factors apart from technological factors (Krotov, 2015). A range of mobiletechnologies such as laptops, smartphones, and tablets are embraced by students to support informal learning (Murphy, Farley, Lane, Hafeez-Baig, & Carter, 2014). Learning through mobile devices poses both opportunities as well as challenges; it provides flexibility in learning, on the other hand, it is a limitation for those who do not have connectivity and access to these devices. In student-centered learning especially collaborative and project-based learning, the use of mobile devices can be promoted by the mobile apps (Leinonen, Keune, Veermans, & Toikkanen, 2014). The use of mobile apps along with guidance from teachers integrates reflection in the classroom learning (Leinonen et al., 2014).Cloud computing provides organizations with a way to enhance their IT capabilities without a huge investment in infrastructure or software. The benefits of cloud computing are low cost, scalability, centralized data storage, no maintenance from user side (no software needed), easy monitoring, availability and recovery, and the challenges include it requires fast and reliable internet access, and privacy and security issues (El Mhouti, Erradi, & Nasseh, 2018). The primary factors for adoption of cloud computing in e-learning are ease of use, usefulness, and security (Kayali, Safie, & Mukhtar, 2016). Private cloud inside educational institutes can acquire the additional benefits in non-compromising the security and data privacy concerns associated with cloud computing (Mousannif, Khalil, & Kotsis, 2013). Cloud computing provides support to the online learning platforms to store and process the enormous amount of data generated. The problem of managing the increasing growth of online users, contents, and resources can be resolved by using cloud computing services (Fernandez, Peralta, Herrera, & Benitez, 2012).Future directionsFuture directions of research in online learning are as follows: First, the feedback mechanism used in online learning in institutions has not been used to measure the continuation intention in VCs. Feedback enables learners to define goals and track their progress through dashboard applications to promote awareness, reflection, and sense-making (Verbert et al., 2014). The students who received teachers’ feedback along with online learning achieved better grades than those who did not receivefeedback (Tsai, 2013) and students positively perceive the feedback systems more than the educators (Debuse & Lawley, 2016). Although immediate feedback is one of the dimensions of the flow (Csikszentmihalyi, 2014), the factor has not been studied in a VC context. It is vital for managers to check if feedback on a community post fosters the members’ continuation intention, and they should design user interfaces which encourage providing feedback. Second, it is high time to develop an integrated model for formal learning (online and blended) with VCs for students’ engagement. Informal learning as itself, not limited to the body of knowledge, rather, is the result of the interaction of people via communities of practice, networks, other forms, etc. (Rennie & Mason, 2004). The networked communities build intimacy and support which helps in self-directed learning (Rennie & Mason, 2004) which is an important parameter for online learning. Community commitment (Bateman et al., 2011), immersion (Shin et al., 2013), we-intentions (Tsai & Bagozzi, 2014), sense of belongingness (Zhao et al., 2012), etc. from the VC would help students to continue the engagement for a better learning outcome. Moreover, it is found that collaborative chat participation in MOOCs slows down the rate of attrition over time (Ferschke, Yang, Tomar, & Rosé, 2015). It is of great importance to check if learning outcome improves when the virtual community is integrated or embedded in the learning environment (online and blended). The educators and managers should encourage their students and employees to participate in VCs. Third, the growth of the adoption of mobile devices has expanded the arena of e-learning platforms. Integrating the virtual communities via a mobile platform with online learning can foster the student engagement resulting in higher learning outcome. Fourth, cloud computing has great potential in dealing with the scalability issues arising from the rise in numbers of users, content, and resources in online learning. Furthermore, it can provide tremendous benefits to organizations as well as users in terms of ease of access, flexibility, and lower cost. Although a few studies cover cloud computing infrastructure in education and pedagogic processes, the empirical research on the cloud computing for education is very shallow (Baldassarre, Caivano, Dimauro, Gentile, & Visaggio, 2018). As the mobile devices are often limited by storage space,future researchers are invited to carry out effective research on the integration of cloud computing and mobile learning to understand the factors affecting learning outcome.ConclusionUnderstanding the antecedents of e-learning adoption, continuance, and learning outcomes in online platforms are essential in ensuring the successful implementation of technology in learning and achieving the maximum benefits. This study shows factors such as PU, PEoU, PE, culture, attitude, subjective norms, system and information inhibitors, etc. contribute to the adoption of technology. Factors such as satisfaction, confirmation, user involvement, system quality, information quality, feedback, self-efficacy, social identity, perceived benefits, etc. determine the continuation of technology use. This implies factors for adoption, and continuation intentions vary; the attitude and usefulness of a system are essential for adoption while the experience and satisfaction in the environment lead to continuation intention. It is also found from the literature that the learning outcomes depend on the self-efficacy, collaborative learning, team cohesion, technology fit, learning engagement, self-regulation, interest, etc.The contribution of the paper can be summarized as: understanding the factors that are studied for adoption, continuance, learning outcomes in an online environment, and the provision of future research directions for educators and managers for successful implementation of technology in online platforms to achieve maximum benefits.中文在线学习的采用，持续性和学习成果:文献综述摘要在全世界范围内，使用技术促进更好的学习和培训的势头正在增强，减少了与传统学习相关的时空问题。

网络教学的意义英语作文

网络教学的意义英语作文Title: The Significance of Online Education。

In today's rapidly evolving world, online education has emerged as a vital tool in the realm of learning. Its significance transcends boundaries and has become a cornerstone of modern education. This essay delves into the multifaceted importance of online education.First and foremost, online education fosters accessibility. It breaks down geographical barriers, enabling individuals from diverse locations to access quality education. Whether one resides in a bustling metropolis or a remote rural village, online platformsoffer a gateway to knowledge. This accessibility is particularly crucial for those who may face constraints in attending traditional brick-and-mortar institutions due to factors like distance, disability, or personal commitments.Moreover, online education promotes flexibility. Unliketraditional classroom settings with fixed schedules, online courses provide learners with the freedom to tailor their learning experience according to their pace and preferences. This flexibility empowers individuals to balance their education with work, family responsibilities, or other commitments, making learning more manageable and inclusive.Furthermore, online education facilitates lifelong learning. With the rapid pace of technological advancements and changes in the job market, the need for continuousskill upgrading has never been more critical. Online platforms offer a myriad of courses spanning various disciplines, allowing individuals to acquire new knowledge and skills throughout their lives. This emphasis onlifelong learning is indispensable in ensuring personal and professional growth in an ever-changing world.Additionally, online education fosters a culture of innovation and experimentation in teaching methods. Educators have the opportunity to explore diverse pedagogical approaches, incorporating multimedia elements, interactive simulations, and collaborative tools to enhancethe learning experience. This experimentation cultivates creativity and adaptability, benefiting both educators and learners alike.Furthermore, online education promotes inclusivity and diversity. It provides a platform for individuals from different cultural backgrounds, socioeconomic statuses, and age groups to come together in a virtual learning environment. This diversity enriches discussions, broadens perspectives, and promotes mutual understanding, fostering a more inclusive and tolerant society.Moreover, online education is environmentally sustainable. By reducing the need for physical infrastructure and commuting, online learning contributes to lower carbon emissions and resource conservation. This eco-friendly aspect aligns with global efforts towards sustainability and environmental stewardship.Furthermore, online education empowers individuals with digital literacy skills. In today's digital age,proficiency in navigating online platforms and utilizingdigital tools is indispensable. By engaging with online learning resources, individuals develop crucial digital literacy skills, equipping them for success in the digital economy and society.In conclusion, online education holds immense significance in the contemporary landscape of learning. Its accessibility, flexibility, promotion of lifelong learning, innovation in teaching methods, inclusivity, environmental sustainability, and empowerment with digital literacyskills collectively underscore its transformative potential. As we navigate the complexities of the 21st century, online education stands as a beacon of opportunity, empowerment, and progress for learners worldwide.。

外文翻译---基于网络的教学系统

毕业设计（论文）外文资料翻译系别：计算机系专业：计算机科学与技术班级：姓名：学号：外文出处：Web-Based Network education System1. IntroductionComputers and web applications bring a significant revolution in our social life and especially to our traditional mechanism of education. The era of education enable us to access mass of information whose remarkable character is digital so that computers can recognize and deal with this kind of expression of information. Digital campus construction is already on going in order to catch the new trend in quality education. The main functions of digital campus cover with distance such as web classroom, courseware on demand, distance examination. The digital campus information management system includes information management system, office automation system, administration examination system and virtual community such as online tutoring, bulletin board system etc. With the intensification of distance web education, how to estimate learning effect locally is an important issue. A comprehensive education system which utilizes information technology of the network to carry on college course to educate, it offers from the network classroom, essential study links discussing, answering questions, and processing homework to examination to teachers and students. This system should also support management activity of the educational administration, such as online course project, roll management, follow-up of quality. The self-adapted examination system is a sub-system of the Networking Institute's demonstration project. In Internet Universal, distance learning is by telephone, television, video and communications, asynchronous transmission mode of teaching information. In recent years, based on the introduction Internet Distance learning, World Wide Web Recognized as the most powerful curriculum information dissemination media, the Internet has hundreds of courses, there are more schools and teachers are being considered for Web Teaching. For Web Teaching, and that is using the World Wide Web as a teaching medium, transmission teaching in the implementation of online teaching, teaching management, and online testing and online exchanges. Realistic and complete implementation based on Web Teaching requires a user-friendly and efficient support online teaching platform support. Currently there are some in the international market such products, such as Lotus Company Learning Space , the British Columbia University computer science department development Web CT ,WBT System Company Top Class And Canada Simon Fraser University development Virtual. Many companies and schools are also being developed or is ready to develop similar software, such as the key institutions in preparation for the development of modern distancelearning and teaching support system. Online teaching platform should be aware of the support functions, which can or should provide the ancillary support, all of which feature current products, for effective online teaching is very important.2.The main characteristicTeachers can keep a student's screens' voice display and send information to all students or a group of broadcast; teachers can watch and listen to a student 's information, and control the student's keyboard and mouse , and do "hand in hand" type of guidance, and arbitrary switching among students ; and remote window control guidance, the window of multimedia network classroom software can control the intelligent rolling and teachers teaching in various other functions at the same time, the teacher can remote control machine on a number of students at the same time and also can let all (a group or a) student screens arranged in "the black screen", and lock the keyboard and mouse, reminding the attention of students; intelligent rolling screen: the screen broadcast and remote control operation uses the original smart scroll, free rolling technology, which need not undertake screen scaling, receiving students in the broadcast in the process of watching the operation; the mouse capture: it supports soft cursor, animated mouse cursor, mouse cursor broadcasting, even in windowed mode which can reflect the real-time changes in morphology and mouse; multi-point monitoring: multimedia network classroom software support multiple windows simultaneously with the same When the watch, which can also watch window distributed across multiple machines, real-time monitoring of all the other students in the state machine; broadcast: multimedia network classroom software support more audio and video file formats, support for VCD, MP3, W AV and other documents play online ; automatic login: students on the machine automatically log in the teacher machine; multimedia network classroom software has strong system stability, ensure the teaching process smoothly; perfect functions, beautiful interface which is easy to use the direct and concise operation, using the unified mode of operation; software, multimedia network classroom software does not need a server, simple installation, convenient upgrade and maintenance; hardware compatibility: multimedia network classroom software contents all the card, sound card, display card and can demonstrate good performance, and won't appear any unstable phenomenon.3. Design multimedia network classroom of thoughtIn the multimedia network classroom design, it focuses on solving the user pays as the following issues: (1)the multimedia network classroom is easy to use and individualized demand. Because each teacher for computer to different extent, teachers need to multimedia network classroom is simple and easy to use, one will see, will soon be able to undertake informatizal teaching. The computer master degree higher teacher needs according to computer and information understanding, personalized teaching.(2) multimedia network classroom and practicalteaching function. Information teaching is a means of teaching, its purpose is to improve the effect of teaching. This means whether the teaching habits, whether there is a wealth of practical teaching function, really help teachers for teaching, improve the effect of teaching has become the most concern of the teacher.(3)multimedia network classroom teaching management function. If a student who attends class does not listen to the teacher carefully, has nothing to do with the classroom things, such as playing games, or simply add or remove programs are headaches in teachers teaching; and in order to guarantee the teaching effection carrying smoothly, it also requires a corresponding teaching management function to assist.4.The multimedia network classroom program advantagesMultimedia network classroom solution has the following advantages.（1）Simple and easy to use, multimedia network classroom software use a graphical interface, whoes each function has a corresponding button, operating on a stick out a mile, so that teachers can see use it easily. （2）Flexible customized, which meets the demand of personal teaching. The teacher can customize multimedia network classroom software interface, icon, toolbar and also can customize the class model at the same time by using multimedia network classroom run concurrent design, each function of teaching can manage any combination and arbitrary. （3）Multimedia network classroom original thumbnail display mode which can make the whole class of the students computer screen contents show to teachers at the same time and let teachers watch easily in global.（4）practical teaching function of multimedia network classroom software offers practical and rich pedagogical features, including screen broadcasting, video broadcasting, voice broadcasting, issued procedures, and collection operations.（5）Supporting a variety of teaching strategies, which can use the broadcast function to broadcast the teacher's own screen to everyone.（6）teaching management function in the multimedia network classroom, which is subject to the control of the teacher, students can be remotely set machine, and the multimedia network classroom is also enhanced by many teachers and students interaction, such as "remote control", which fully ensured between student and teacher interaction.（7）In order to guarantee the teaching carrying out smoothly, the teacher wants multimedia network classroom software to help manage the students' situation. Multimedia network classroom software is provided for locking the computer black screen and hush functions（8) Multimedia network classroom daily maintenance workload is very big, the teacher does not have too much time to manage multimedia network classroom maintenance, hoping multimedia network classroom software can provide very good maintenance function. Multimedia network classroom with remote settings, document publishing, charge, delete, remote command, remote control and other functions.（9）multimedia network classroom software has strong system stability, high soft, hardware environment compatibility, regardless of level of computer configuration, graphics cards, sound card type, which can guarantee the normal operation of multimedia network classroom.（10）because of the multimedia network classroom is a pure software implementation, simple installation,upgrade and maintenance which is very convenient.5. The main functions of software in multimedia network teaching(1)Teaching function, including screen broadcasting, screen monitoring, voice broadcast, audio monitor, video broadcasting, electronic drawing board, news release, issued a document, collect documents, documents and other functions which the teacher in the class is the most commonly used functions.(2)Teaching management, multimedia network Teaching management function can ensure the teaching be carried out smoothly, including the class model, group management, call sign, lock computer, silent, black screen log. (3)Maintenance, for the convenience of teachers to multimedia classroom network maintenance, multimedia network teaching provides remote settings and other functions.6. Multimedia network teaching system buildingMultimedia network classroom is a small LAN environment, generally uses the 100M switching to the desktop, you can ensure that the audio and video files well transmission. Computer selection of good effects and economic benefits principle, selection of the computer multimedia network classroom should let the minimum guarantee the smooth operation of multimedia courseware, and commonly used methods of software, such as Word, Powerpoint, teacher's machine configuration is higher than the students machine configuration , and the best buying support WOL function computer.Finally the teacher machine, student machine, switching with twisted pair link, which sets the TCP / IP protocol, transfering through network, should instals on the multimedia network classroom software and a complete multimedia network classroom building.基于网络的教学系统1导言计算机和网络应用带来了重大变革，我们的社会生活，特别是我们的传统机制的教育得到了重大变革。

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SQL server原文：SQL serverSQLSQL is Structured Query Language English acronym, which means for the Structured Query Language. SQL language is the main function of establishing ties with the various databases, for communication. In accordance with ANSI (American Nationa l Standards Institute) requirements,SQL as a relational database management system standard language. SQL statements can be used to implement a wide range of operations, such as updating the data in the database, extract data from the database and so on. At present, the vast majority of the popular relational database ma nagement systems such as Oracle, Sybase, Microsoft SQL Server , Access, adopted the standard SQL language. Although many databases on the SQL statement for the redevelopment and expansion, but including the Select, Insert, Update, Delete, Create, and Drop, including the standard SQL commands can be used to complete almost all the database operations.SQL ServerSQL Server is a relational database management system. It was originally proposed by Microsoft Sybase and Ashton-T ate three companies jointly developed in 1988 with the introduction of the first OS / 2 version. After the introduction of Windows NT in, Microsoft and Sybase in the development of SQL Server on the split,Microsoft will migrate to SQL Server on Windows NT system, focusing on promoting the development of SQL Server version of Windows NT . Sybase is more focused on SQL Server in the UNIX operating system applications. SQL Server 2000 is Microsoft Launches the SQL Server data base management system, the inherited version of SQL Server 7.0 version of the merits, at the same time it increases than many of the more advanced features. Good scalability with ease of use and related high degree of softwareintegration, across from the running Microsoft Windows 98 laptop running Microsoft Windows 2000 large-scale multi- processor servers such as the use of multiple platforms.SQL Server 2005SQL Server 2005 is a comprehensive database platform, the use of integrated business intelligence (BI) tools to provide enterprise-class data management. SQL Server 2005 relational database engine for data and structured data to provide a more secure and reliable storage function that allows you to build and manage high availability for business an d high-performance data applications.SQL Server 2005 data engine is the enterprise data management solutions for the core. The SQL Server 2005 combines the analysis, reporting, integration and notifications. This makes your business can build and deploy cost-effective BI solutions that help your team through the Scorecard, Dashboard, Web services and data applications to mobile devices to all areas of business. With Microsoft Visual Studio, Microsoft Office System and the new development kit (including the Business Intelligence Development Studio) to enable the close integration of SQL Server 2005 unique. Whether you're a developer , database administrator , information worker or decision-makers, SQL Server 2005 that can provide you with innovative solutions to help you benefit from more data.Microsoft SQL Server 2008SQL Server 2008 is a major product version, it introduced many new features and Key improvements made to date it has become the strongest and most comprehensive version of SQL Server. The article described in detail in Microsoft SQL Server 2008's new features, advantages and features ……Microsoft's data platform to meet these data explosion and the next generation of data –driven applications that demand and support the data platform vision: mission-critical enterprise data platform, dynamic development, relational data andbusiness intelligence.Microsoft data platform visionSQL Server's visionMany factors have led to an explosion of information storage. A new type of information, such as pictures and digital video, and RFID tags obtained from the sensor information, the company's digital information in the rapid growth of the number .Compliance with the norms and requirements of the development of globalization, the security of information storage and are available at any time. At the same time, the cost of disk storage significantly reduced so that every dollar invested can store more data. Users to move quickly in a large amount of data to find relevant information. In addition, on any device they want to use this information, and plan to use every day , such as the Microsoft Office system applications. The explosion of data and user expectations for an increase in the management of the company has created many challenges. Microsoft? data platform vision to provide a solution to meet these needs, this solution is companies can store and manage the use of many data types, including XML, e-mail, time /calendar , files, documents, geographic, etc., at the same time provide a rich set of services to interact with the data: search, query , data analysis, reporting, data integration, synchronization and powerful. Users can access from the creation to archive to any device, from desktop to mobile devicesThe platform has the following characteristics:Trusted - allows the company can be a very high security , reliability and scalability to run their most mission-critical applications.Efficient - allows the company to reduce development and management of their data infrastructure of the time and cost.Intelligence - provides a comprehensive platform for users in your time of need to send him to observe and information.A trusted(A) the protection of your informationIn the past the basis of SQL Server 2005 on, SQL Server 2008 made the following enhancements to expand its security:* Simple data encryptionSQL Server 2008 can be the entire database, data files and log files for encryption, without requiring changes to applications. Encrypt enable companies to meet compliance with the norms and their concern about data privacy requirements. Simple and the benefits of data encryption including the use of any scope or ambiguous search query data encryption to enhance data security to prevent unauthorized user access, as well as data encryption. These can change the applications have been conducted.* Foreign key managementSQL Server 2008 for the encryption and key management provides a comprehensive solution. In order to meet evolving data center for more information on the needs of security , to the supplier's investment company to manage the security key . SQL Server 2008 by supporting third-party key management and hardware security module (HSM) products to provide for the needs of a very good support.* Enhanced the reviewSQL Server 2008 allows you to review the operation of your data, resulting in improved compliance and security . Review of more than modification of data, including all of the information, but also on the data when reading the information. SQL Server 2008 as server with enhanced configuration and management review of such a function, which allows the company to meet the needs of a variety of norms. SQL Server 2008 can also define a database review of each specification, so the review can be configured for each separate database for the development. For a specific configuration object for the review so that review of the implementation of better performance, higher flexibility in configuration.(Ii) to ensure business sustainability* Improved database mirroringSQL Server 2008 on SQL Server 2005, and provides a more reliable database mirroring to enhance the platform. The new features include: Automatic page repair . SQL Server 2008 through a request for cooperation from the mirror to be the wrong machine to copy pages to the main computer and the image can be transparent to repair the data page 823 and 824 errors. To improve performance. SQL Server 2008 reduced the output of the log stream in order to enable database mirroring the network bandwidth required to achieve the minimum.————lubenv Access2000 FORTUEN [J].卷次：14刊期：5 September 2007 .译文：SQLSQL是英文 Structured Query Language 的缩写，意思为结构化查询语言。

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