秦狄辉科技英语写作
秦荻辉_科技英语习题以与答案
练习1I、将下列句子译成汉语，注意句中有些冠词的特殊位置：1. In this case the current （电流）exists for only half the cycle （周期）2. In such a case there is no current flowing in the circuit （电路）3. Sensitivity （灵敏度）is a measure of how small a signal （信号）a receiver（接收机）can pick up and amplify （放大）to a level useful for com muni cati ons.4. emay be as small a positive con sta nt as you please.5. Even so fundamental a dimension（量纲）as time was measured extremely crudely with sand and water clocks hundreds of years ago.6. Nonlinear distortion （非线性失真）can be caused by too large an input signal.7. The method used is quite an effective one.8. A series （级数）solution of this kind of problem allows as close a calculation of the error as needed.II、将下列句子译成汉语，注意句中" and”和"or”的确切含义：1. Air has weight and occupies space.2. In this way less collector dissipation （集电极功耗）results, and the efficiency increases.3. We can go one step farther and take into account the nonzero slope of the actual curves.4. Try hard, and you will work the nut （螺母）loose.5. The first step in analyzing a physical situation is to select those aspects of it which are essential and disregard the others.6. This satellite was used for communications between the United States and Great Britain, France and Italy.7. Some physical quantities require only a magnitude and a unit to be completely specified. Thus it is sufficient to say that the mass of a man is 85 kg, that the area of a farm is 160 acres, that the frequency of a sound wave is 660 cycles/sec, and that a light bulb consumes electric energy at the rate of 100 watts.8. Geothermal energy, or energy from within the earth, can be used to generate electricity.9. The current in a capacitor （电容器）leads （导前）the voltage by 90o, or, the voltage lags the current by 90o.10. The message is a logical unit of user data, control data, or both.III 、将下列句子译成汉语，注意句中分数和倍数的正确译法：1. By varying V BE only a few hundredths of a volt, the base current （基极电流）can be changed significantly.2. The standard meter is accurate to about two parts in one billion.3. Cromatographic （层析的）techniques have been developed to detect air pollutants at concentrations （浓度）of one part per million or less.4. The volume coefficient （体膨胀系数）of a solid is almost exactly three times its linear coefficient.5. The demand for this kind of equipment in the near future will be 20 times what it is.6. The wavele ngth of this musical n ote （音符）is7.8 ft, over three times Ion ger tha n thewavelength of the same note in air （2.5 ft）.7. This causes the collector current （集电极电流）to change by a factor of approximately 38. This factor （因子）is now equal to 9, a reduction by a factor of 11.IV、将下列句子译成英语：1、火箭是由金属制成的。
秦狄辉 科技英语写作教程答案答案2001年版
练习 1 (on page 8)II. 将下列句子译成英语1.Nonlinear distortion can be caused by too large an input signal.输入信号太大会引起非线性失真（nonlinear distortion）。
ing the definition of slope, we can derive the equation which represents a straight line.利用斜率（slope）的定义，我们能导出（derive）表示直线的方程。
3.The expression f(x + h) – f(x) is frequently used in the study of calculus.f(x + h) – f(x)这一表达式（expression）经常用在微积分（calculus）方面。
4.An equation which can be written in the following form is known as a linear equation in oneunknown.能写成以下形式的方程被称为含有一个未知数（unknown）的线性方程（linear equation）。
5.In a computer, the tendency is to operate at as high a clock rate as possible.在计算机中，趋势是以尽可能高的时钟频率（clock rate）工作。
6.The voltage across this capacitor is a few hundredths of a volt.该电容器（capacitor）上的电压（voltage）为零点零几伏（volt ）。
7.The output of the factory ten years ago was only one fifth what it is now [或：… only onefifth its present output].十年前该厂的产量（output）仅为现在的五分之一。
[英语学习]科技英语的课件2
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改错练习 1.UASM协议采用了独特的帧结构。 The UASM protocal employs a unique frame structure. 2. 一种正交双循环码M元扩频接收机的性能分析。 Performance analysis of an M-ray spread spectrum receiver using biorthogonal cylic codes. 3. 最后，用这种方法设计了宽带阶梯阻抗变换器。 Finally, a broad stepped impedance transformer is designed by this method.
练习 3. 输入信号(input signal)太大会引起非线性 失真（nonlinear distortion）。 Nonlinear distortion can be caused by _________________. 4.在计算机中，趋势（tendency）是以（at） 尽可能（as…as possible）高的时钟速率 （clock rate）工作（operate）。 In __ computer, the tendency is to operate at ____________________.
4. 利用状态转移图，系统的安全性得以实现。 With the state-transition diagram, the security probability of the system is obtained. 5. 该方法适用于任意形状的一维势垒。 The approach can be applied to the onedimensional potential barrier with an aribitary profile. 6. 我们提出了一种基于牛顿迭代的数值方法。 We propose a numerical method based on Newton’s iterative method.
2023天津高考真题第一次英语作文范文
以科技为桥，连接未来教育In the rapidly evolving world of technology, the integration of digital tools into education has become increasingly important. The potential of these tools to enhance learning experiences and prepare students for the future is immense. This integration, however, is not without its challenges, particularly in ensuring that all students have equal access to these resources.Firstly, the benefits of technology in education are numerous. Digital tools such as online platforms, interactive software, and virtual reality simulations can engage students in a more active and immersive learning process. They provide opportunities for personalized learning, where students can work at their own pace and in areas of interest, thus fostering a more autonomous approach to education. Additionally, technology can help bridge the gap between theory and practice, allowing students to apply their knowledge in real-world contexts. Despite these benefits, however, there are significant challenges in ensuring equitable access to technology in education. One of the main obstacles is the digital divide,which refers to the unequal distribution of technology resources across different communities. This divide can be attributed to factors such as economic disparities, infrastructure limitations, and cultural barriers. As a result, students from disadvantaged backgrounds may lackthe necessary tools and resources to fully participate in digital learning environments.To address these challenges, it is crucial to implement inclusive strategies that ensure equal access to technology for all students. Governments and educational institutions should prioritize the provision of technology resources, particularly in underserved areas. This could involve investing in infrastructure such as high-speed internet access and providing devices such as laptops or tablets to students in need.Moreover, it is important to recognize that technology integration should not be a one-size-fits-all approach. Different students have different learning styles and needs, and it is crucial to tailor technology use to meet these individual differences. This could involve offering a rangeof digital tools and resources that cater to different learning preferences and abilities.In conclusion, the integration of technology into education holds the promise of enhancing learning experiences and preparing students for the future. However, to fully harness this potential, it is essential to address the challenges of equitable access and ensure that all students have the opportunity to benefit from these resources. By implementing inclusive strategies and recognizing the need for personalization, we can build a more equitable and inclusive education system that leverages the power of technology to its fullest extent.**科技为桥，连接未来教育**在科技日新月异的时代，数字工具在教育中的融入变得愈发重要。
中考英语以科技与主题的满分作文
科技之光：中考英语满分作文解析In the age of rapid technological advancements, therole of science and technology in our daily lives has become increasingly significant. The integration of technology into every facet of our existence, from education to healthcare, has brought about remarkable changes that have profoundly impacted our society. This essay aims to explore the profound influence of technology on our world, focusing on its transformative power in areas such as education, healthcare, and daily life.Firstly, let's delve into the realm of education. The advent of digital technologies has revolutionized the traditional classroom setup. Online learning platforms have enabled students to access a vast array of educational resources, enabling them to learn at their own pace and convenience. Furthermore, interactive teaching methods such as virtual reality and augmented reality provide immersive experiences that enhance student engagement and comprehension. By leveraging technology, education has become more accessible, inclusive, and engaging, fostering a culture of continuous learning and personal growth.In the realm of healthcare, technology has played a pivotal role in improving patient outcomes and enhancing the efficiency of medical services. Advancements in areas such as genomics and precision medicine have allowed doctors to diagnose and treat diseases more effectively. Additionally, telemedicine and remote patient monitoring have broken down geographical barriers, enabling patients to access medical care even in remote areas. Theintegration of artificial intelligence into healthcare has further revolutionized disease prediction, diagnosis, and treatment, paving the way for personalized healthcare and better patient outcomes.In our daily lives, technology has made remarkable contributions to enhancing convenience and efficiency. Smartphones and the internet have transformed the way we communicate, shop, and entertain ourselves. Applications such as ride-sharing and food delivery have revolutionized the way we travel and eat, respectively. Furthermore, the rise of the Internet of Things (IoT) has allowed devices in our homes to connect and communicate with each other, creating a smart and efficient living environment. Technology has not only made our lives more convenient buthas also given us access to a world of information and entertainment at our fingertips.In conclusion, the influence of technology on our world is profound and transformative. It has revolutionized education, healthcare, and our daily lives, bringing remarkable changes that have profoundly impacted our society. As we continue to embrace technology and harnessits power, it is crucial that we also prioritize ethical considerations and ensure that technology serves the betterment of humanity. Let us embrace the light of technology and use it to illuminate our path towards a more connected, convenient, and sustainable future.**科技之光：中考英语满分作文解析**在科技飞速发展的时代，科技在我们日常生活中的作用变得越来越重要。
初三月考英语作文科技
科技之光：初三月考英语作文探讨In the age of rapid technological advancements, the role of science and technology in our daily lives has become increasingly significant. The impact of technology is felt in every aspect of our existence, from the way we learn and communicate to the methods we use to娱乐 and relax. This essay will explore the role of technology in education, particularly as it relates to the monthly exams taken by junior high school students.Firstly, let's consider the way technology has transformed the learning process. In the past, students relied solely on textbooks and classroom lectures to acquire knowledge. However, with the advent of digital technology, students now have access to a vast array of online resources that provide information in a variety of formats, including videos, interactive simulations, and online quizzes. These digital tools not only make learning more engaging and fun but also allow students to learn at their own pace and in the manner that suits them best.Similarly, technology has also revolutionized the way students prepare for monthly exams. In the past, studentswould spend countless hours flipping through textbooks and taking practice tests to prepare for exams. Nowadays, however, students can utilize online platforms that provide personalized study plans, track their progress, andidentify areas where they need to focus their efforts. These platforms utilize algorithms to analyze student performance and provide tailored feedback, enabling students to focus on areas where they need improvement and maximize their study time.Moreover, technology has made it easier for students to collaborate and share ideas. Online forums and social media platforms allow students to discuss exam topics, share study tips, and solve problems together. This collaborative learning environment not only fosters a sense of community among students but also helps them to develop critical thinking and problem-solving skills that are essential for success in school and beyond.However, while the benefits of technology in education are numerous, it is also important to recognize the challenges that it poses. Excessive use of digital devices can lead to eye strain, neck pain, and other physicalailments. Additionally, the constant stream of information and notifications from digital devices can be distracting and interfere with students' ability to focus on their studies. Therefore, it is crucial for students to develop healthy habits and use technology responsibly to ensurethat it does not overshadow their academic pursuits.In conclusion, technology has played a pivotal role in the education of junior high school students, particularly as it relates to monthly exams. By providing access to a wealth of online resources, personalized study plans, and collaborative learning environments, technology has made the learning process more engaging, efficient, and enjoyable. However, it is important for students to use technology responsibly and avoid falling into the traps of overuse and distraction. By doing so, students can harness the power of technology to enhance their academic performance and lay the foundation for a successful future. **科技之光：初三月考英语作文探讨**在科技飞速发展的时代，科技在我们的日常生活中扮演着越来越重要的角色。
精品文档-科技英语(电子类)(第三版)(秦获辉)-第二部分(第十三课)
1. 么……
2. 3. 虑(到)
that is why 这就是……的理由; 这就是为什
much the same way as 与……差不多一样(地) take…into consideration 把……考虑进去; 考
Lesson Thirteen第十三课 Notes to the Text 课文注释
Lesson Thirteen第十三课
Though the electrons move from minus to plus, the electric current is conventionally considered to flow from the positive to the negative terminal.
Lesson Thirteen第十三课
Note also that Req is equal to the resistance for which the voltage across the load is one half of Veq This is useful in situations where the short
Lesson Thirteen第十三课
下面介绍一下某些时间状语从句(由“when, since, while, as, before, after”引导)可以修饰其前面的名词 (这些连词的词义不变)的情况：
Let v0 represent the velocity when t=0. (等效于 at the time t=0.)
Lesson Thirteen第十三课
［11］ 由“for which”开头的这个定语从句是修饰 “the resistance”的。
［12］ 这个“where”为关系副词, 引导定语从句修饰 名词“situations”。
英语-秦荻辉-科技英语写作习题以及答案
英语-秦荻辉-科技英语写作习题以及答案练习1I、在下列每个句子的空白处填上适当的冠词（如果必要的话），然后将句子译成汉语：1. There has been _____ ever greater interest in this subject.2. The power rating is the maximum power the resistor can safely dissipate without too great _____ rise in temperature.3. Its primary disadvantage is _____ increase in noise.4. _____ successful design of the equipment requires _____ detailed knowledge of the performance specifications.5. In _____ Bohr model of the hydrogen atom, _____ single electron revolves around _____ single proton in a circle of radius R.6. The unit of frequency is _____ hertz.7. If _____ voltage is applied across _____ circuit, _____ electric current will flow in _____ circuit.8. _____ Fig. 5-1 shows _____ Oersted’sexperiment.9. We should use _____ 18-volt battery here.10. _____ machine is _____ device for transmitting force to accomplish _____ definite purpose.11. _____ hydraulic press will be considered in _____ Chapter 14.12. _____ study of fluids in motion is one of _____ more difficult branches of mechanics because of _____ diversity of phenomena that may occur.13. It is easy to determine _____ value of _____ parameter μ.14. By _____ Eq. (2-1) we have _____ following relation.15. It is necessay to use _____ S-shaped tube here.16. The authors work at _____ University of Texas at _____ Arlinton.17. This is _____ R-bit transformer.18. _____ XOR gate must be used here.II、将下列句子译成英语，注意正确地使用冠词：1、这是一个h参数（parameter）。
初三月考英语作文科技
The Transformative Power of Technology inOur LivesIn the fast-paced world of the 21st century, technology has become an indispensable part of our lives, shaping our experiences, enhancing our capabilities, andrevolutionizing the way we interact with the world. As a junior high school student preparing for monthly exams, I have witnessed the profound impact of technology on both my academic pursuits and daily life.Firstly, technology has revolutionized the way we learn. The traditional classroom setup has been transformed by the introduction of digital tools and platforms. Nowadays, we can access a vast array of educational resources online, from interactive videos to virtual reality simulations. These digital tools not only enhance our understanding of complex concepts but also make learning more engaging and fun. Additionally, online learning platforms have allowedus to learn from anywhere, anytime, providing flexibility and convenience that was unheard of in the past.Moreover, technology has made communication more seamless and efficient. With the help of smartphones andsocial media, we can stay connected with friends and family members across the globe. We can share our thoughts, experiences, and learning progress with them in real-time, fostering a sense of community and belonging. This instantaneous communication has also made collaboration on group projects and assignments much easier, enhancing our teamwork skills.However, the influence of technology is not limited to academics and communication. It has also penetrated ourdaily lives, making tasks simpler and more convenient. For instance, smartphones allow us to manage our schedules, access information, and even make payments with ease. Smart home devices like voice assistants can control our lighting, heating, and even entertainment systems, saving us time and effort.Despite its many benefits, it's important to recognize that technology is a double-edged sword. While it has brought remarkable advancements, it has also presented challenges such as addiction, privacy concerns, and the digital divide. As students, we need to develop a healthybalance in our use of technology, ensuring that it enhances our lives rather than dominates them.In conclusion, technology has transformed our lives in numerous ways, from enhancing our academic pursuits to making our daily tasks simpler and more convenient. As we continue to embrace technological advancements, it'scrucial that we remain mindful of its potential pitfallsand strive to use it in a responsible and balanced manner. By doing so, we can harness the transformative power of technology to create a better and more connected world.**科技在我们生活中的变革力量**在21世纪这个快速发展的世界里，科技已经成为我们生活中不可或缺的一部分，塑造着我们的经历，提升着我们的能力，并革命性地改变着我们与世界互动的方式。
没有科技就会落后英文作文
没有科技就会落后英文作文英文，Without technology, we would fall behind. Technology has become an integral part of our lives, from the way we communicate to the way we work. Without it, we would be limited in our abilities and opportunities.Technology has revolutionized the way we live our lives. We can now communicate with people from all over the worldin real-time, access information at the touch of a button, and automate tasks that used to take hours. In the workplace, technology has made us more efficient and productive, allowing us to do more in less time.However, if we were to lose access to technology, we would be at a disadvantage. We would have to rely on outdated methods of communication and information gathering, and our productivity would suffer. For example, imagine trying to write a report without access to a computer orthe internet. It would take much longer and be more proneto errors than if you had access to technology.Furthermore, technology has opened up new opportunities for innovation and growth. Without it, we would be limited in our ability to create new products and services, and our economy would suffer. For example, think about the impact that smartphones have had on our lives. Without them, we would not have access to the countless apps and services that have become a part of our daily routine.In conclusion, technology has become an essential part of our lives, and without it, we would fall behind. We must continue to embrace and develop new technologies to stay competitive and continue to grow as a society.中文，没有科技，我们就会落后。
秦荻辉科技英语写作练习答案
秦荻辉科技英语写作练习答案I、1、an （人们对这课题的兴趣越来越浓。
)2、a （功率额定值是电阻器不会引起温度太大的上升而能安全地耗散的最大功率。
）3、an（其主要的缺点是增加了噪声。
）4、The; a（该设备的成功设计需要详细地了解性能指标。
）5、the; a; a（在氢原子的布尔模型中，一个电子绕一个质子以半径为R的圆周运转。
）6、the（频率的单位是赫兹。
）7、a; a; an; the（如果在电路的两端加上电压的话，就会有电流在电路中流动。
）8、/; /（图5－1画出了Oersted的实验。
）9、an（这里我们应该使用一个18伏的电池。
）10、A; a; a（机器是能够传递力来完成某一确定目的的一种设备。
）11、The; /（水压机将在第14章加以考虑。
）12、The; the; the（研究处于运动中的流体，是力学中较为困难的分支之一，因为可能出现的现象是多种多样的。
）13、the; the [/]（我们容易确定参数μ的值。
）14、/; the（根据式（2－1），我们得到以下的关系式。
）15、an（在这里必须使用一根S形管子。
）16、the; /（作者工作在位于阿林顿的得克萨斯大学。
）17、an（这是一只R位的变换器。
）18、An（这里必须使用一个“异”或门电路。
XOR = Exclusive OR）II、1. This is an h parameter.2. We turn now to a discussion of local area networks.3. The Bainbridge mass spectrometer is as important an instrument as the optical spectrometer.4. It is necessary to find out how long a time is required for an electron to travel the [this] length of the wire.5. The density of a substance is its mass per unit volume.6. T he radius of the earth is 6.37×106 m.7. The [These] two parameters are the same.8. An increase in pressure always causes a decrease in volume.9. Fig. (2-5) shows what is expressed by Eq. (2-2).10. The unit of inductance is the henry.11. Too large an input signal can cause nonlinear distortion.12. Using the definition of slope, we can derive the equation which represents a straight line.13. The expression f (x＋h)－f (x) is frequently used in the study of calculus.14. An equation which can be written in the following form is known as a linear equation in one unknown.15. In a computer, the tendency is to operate at as high a clock rate as possible.16. Tin does not have as high a melting point as lead (does).17. This average velocity is half the final velocity.18. Electricity can be easily changed into other forms of energy.19. In 1831, Joseph Henry in the United States discovered the phenomenon of electromagnetic induction.20. A computer consists of several parts [units].III、Chemistry is based upon concepts that require the measurement of such quantities as length, volume, mass, and temperature. These measurements are quantitative; that is, theyhave numbers associated with them. In this section, we will consider some of the simple instruments used in quantitative measurements. We will also look at the units used to express these measured quantities.IV、1. The UASMA protocol employs a unique frame structure.2. Performance analysis of an M-ary spread spectrum receiver using biorthogonal cyclic codes3. Finally, a broad stepped impedance transformer is designed by this method.4. Dynamic analysis and evaluation of the security of a proactive secret sharing system5. With the state-transition diagram, the security probability of the system is obtained.6. The approach can be applied to the one-dimensional potential barrier with an arbitrary profile.7. We propose a numerical method based on Newton’s iterative method.练习2I、1. Ordinary transformers are not ideal, and therefore power losses occur in them.2. This material attracts iron objects and can even magnetize them.3. This circuit consists of a battery, an inductor and a capacitor.4. Compute the electric fields at points a, b, and c.5. This satellite is used for communications between the United States and Great Britain, France and Italy.6. Matter is anything like air, water or wood.7. Assume that losses in the coil are zero, that C = 500μF, and that the ripple is 20 percent.8. It is found more convenient to adopt the point of view thata moving charge sets up a magnetic field, and that this field exerts a force on another charge moving through it.9. Chapters 6, 7, and 8 deal with what is called the electronic brain.10. Students may learn that mathematics is the language for scientific ideas, that science is a source of mathematical ideas, and that mathematics can furnish brilliant answers to important scientific problems. II、1. The current in the circuit is one half the short-circuit current of the source.2. The internal resistance of this kind of storage battery is only a few thousandths of an ohm.3. Its error is six parts in 1012.4. This computer stores four times more information than that one (does).5. The mass of the moon is 1/80 that of the earth.6. The demand for this kind of equipment in the near future will be 20 times what it is.7. The voltage across this component is a few tenths of a volt.8. Now its internal pressure is one third what it was.III、The concept of temperature is familiar to all of us. This is because our bodies are so sensitive to temperature differences. When we pick up a piece of ice, we feel cold because its temperature is lower than that of our hand. After drinking a cup of coffee, we may refer to it as “hot,”“lukewarm,” or “atrocious.” In the first tw o cases, at least, we are describingthe extent to which its temperature exceeds ours.IV、1. The voltage across this capacitor is a few hundredths of a volt.2. This object is five times heavier than that one is.3. Unless otherwise stated, it is assumed that silicon transistors are used and that I CBO can be neglected.4. This circuit has the advantages of simple structure and easy adjustment.5. Figs. 1, 2, and 3 show this process.6. For further information, consult references [3, 5, 9].7. The interior point is a minimum rather than a maximum, given that the return functions are convex, and that the Hessian determinant is positive.练习3I、1. This type of computer has many advantages over that type.2. We must solve this equation for the loop current.3. Of these five new chapters, the first one deals with the basic principles of negative feedback.4. This section introduces [presents] the concept of force.5. This parameter varies [changes] with temperature.6. The current and voltage in this circuit differ in phase by 90o. [The phases of the current and voltage in this circuit differ by 90o.]7. Sound waves travel in all directions.8. By analyzing [By the analysis of] the parameters of the instrument, we can understand its performance.9. This is a sufficient and necessary condition for solving [the solution of] the equation.10. We will find out its average velocity over this distance.11. We measure force in newtons.12. This paper introduces a new method for measuring this parameter.II、1. For x＞1, there is no solution to this equation [this equation has no solution].2. Upon [On] substituting [substitution of] these values into [to] the equation, it was found that v is equal to the velocity of light.3. In their study of electricity, physicists defined the parameter.4. This circuit is similar in operation to that of Fig. 1-10.5. In our discussion of this subject, we shall restrict our attention to itsbasic principles.6. We describe the interactions among charges with the help of the concept of electric field.7. This is due in part to the earth’s rotation.8. Upon [On] application of proper external force, the body will start tomove.9. This computer is very small in size.10. These waves travel only in one direction.III、The common dry cell used in flashlights is constructed as shown in Fig. 2-28. The positive electrode is a carbon rod and the negative one is a zinc can. The cell is called “dry” because its electrolyte is a moist paste. If it were actually dry, ions in the electrolyte could not move about and no current could beproduced. In the operation of the cell, zinc atoms become zinc ions by losing electrons.IV、1. This paper presents a new method for the recognition of radar targets.2. The influence of the moving state of the target on the tracking accuracy of the EKF is great.3. This new method has many advantages over those available.4. This newly designed instrument is good in quality [is of good quality].5. Another comsat was launched on the morning of the 8th of October.6. V oltage is measured in volts.7. This experiment started at 8 o’clock last night.8. They will leave for Beijing to attend an international conference on mobile communication.练习4I、1. The answer (key) to this problem looks (appears) correct.2. This coefficient remains to be determined.3. The two equations below will be often (frequently) used in later chapters.4. Here we use two metal balls 10 cm apart.5. This paper contains (has) nothing new. [There is nothing new in this paper.]6. The force acts perpendicular to the surface of the table.7. This rule can be used for [ … can apply to] all integers, both positive and negative.8. A neutron has a mass slightly larger than that of a proton.[… has a slightly mass than a p roton.]9. Electrons are the smallest particles present in ordinary matter.10. All the textbooks available discuss this problem.11. Accurate in operation and high in speed, computers have found wide applications.12. The input goes negative and [while] the output stays constant.13. These rays seem to come from the image.14. Impedance in an ac-circuit plays the same role that resistance does in a dc-circuit.15. Two parallel wires a distance (of)δapart carry the currenti.16. The equations here are of great importance.17. We shall use a cable 10 meters long.18. The problem now is how to measure the voltage across this component.19. These data will be sent to the computing center 2 kilometers away.20. Upon rearranging the equation above, we have [get, obtain] the following expression.21. That statement sounds quite reasonable.22. Electrons can pass relatively unimpeded through metals.23. The body collides with other bodies nearby.24. These charges can interact with other charges present.25. Forces can be transmitted without contact, contrary to the common belief.26. There is no root larger than 1 [unity].27. This coefficient is typically 0.35.28. The charge is moving parallel to the electric field.II、The density of a substance is the ratio of its mass to its volume. Densities of liquids and solids are most often expressed in grams per cubic centimeter. Their densities can be found by measuring, independently, the mass and volume of a sample. For [With] solids, density is a bit more difficult to determine. A common approach is shown in Fig. 1.4. The mass of the sample is first measured (by) using [with] a balance. Its volume is found indirectly by determining the volume of liquid displaced by the solid.III、1. This runnin g machine will stop of itself in one or two minutes [… in a minute or two].2. In this case, the input does not fall; nor [neither] does the output. […; the output does not fall, either.]3. The resistance of a conductor depends not only on the material of which the conductor is made, but also on the size and temperature of the conductor.4. These scientists are very interested in this topic.5. This parameter can hardly be measured.6. The preface to this book is well written.7. In this laboratory, this instrument is more expensive than any other one. [… than any one else.]8. The features of this device are small size and light weight.练习5I、1. The detection process can be performed in either of the following two ways.2. There is a capacitance across the junction. Its presence [existence] will cause problems at high frequencies.3. This baseball will soon come to rest because of its interaction with the ground.4. Our choice of this coefficient as 1 is correct.5. This is due to its use of relays rather than electronic devices.6. Since transformers are large, heavy, and expensive, their elimination from the circuit will result in considerable savings.7. Emphasis is put on floated gyroscopes because of their utilization [use] as a control component.8. From its definition as the ratio of a force to a length, we can see that k has the same unit as work (does).9. In this equation, that factor is ignored. Its inclusion here would merely complicate the proceedings.10. In their discussion of that problem, scientists noticed this point.11. Since feedback plays an important role in electronic circuits, its study is of great importance.12. The black hole is invisible [cannot be seen], but its presence [existence] can be deduced.13. Our analysis of the machine is of great significance.14. This facilitates their use in circuit analysis.15. The success in design depends on our correct choice of the circuit.II、1. Soon [Before long] we shall have computers the size of a watch.2. This police car is equipped with a receiver the size of a matchbox.3. Wires one hundredth the diameter of a silk thread are used to connect these components.4. We must heat treat these tools.5. In the past, telephone calls were operator connected.6. This device is computer controlled.7. This device is water resistant.8. AC can be changed [turned, converted, transformed, translated] into [to] DC, a process called [known as, referred to as] rectification.9. A magnet attracts iron materials, a familiar phenomenon.10. If this relation were to hold, we would have a negative current, an impossible situation.11. The current in a circuit is proportional to the applied voltage, something [a fact] that was verified experimentally by Ohm.12. Computers are capable of processing information, a process that previously could be accomplished only inside our heads.13. A new technology introduced in the 1960’s, laser can pierce the hardest substances such as diamond.14. A very effective separation method, chromatography has found wide applications.15. This aluminum bar 2.5 m long has a rectangular cross section 1 cm by 5 cm.16. This law applies to bodies the speed of a rocket.17. We must frequency modulate it.18. To solve this problem, we must take everything [all factors] into account, a verycomplicated procedure.19. An instrument for measuring current, voltage, and resistance, the multimeter is widely used in electrical engineering.20. These materials are pressure sensitive.III、1. In the eq uations above, all h’s are the hybrid parameters.2. Between times t2 and t3 the diode appears to be on.3. In this circuit, there are three emf’s.4. The mass of the standard pound is equal to 0.4535924277 kilograms.5. All a’s and b’s in Eq. (5-1) are related to the impedance R o.6. This section describes the advantages of AC over DC.7. We must take the effect of temperature on [upon] semiconductors intoaccount.8. In this case, the variation of output with input is very small.9. This curve shows the dependence of distance on [upon] speed.10. The use of the atomic energy as the source of power is very important.11. The separation of impurities from the ore is very difficult.12. We are all familiar with the definition of current as the flow of charge.IV、Energy may be thought of as the ability to do work. When we say that something has energy, we mean that it is capable of exerting a force on something else and doing work on it. On the other hand, when we do work on something, we have added to it an amount of energy equal to the work done. The units of energy are the same as those of work. We shall consider in this chapter two broad categories of mechanical energy, kinetic energy and potential energy.V、1. Other types of series are also widely used in engineering.2. None of them can solve this special type of differential equation.3. They do not know whether this material can stand so largea force or not.4. The machine will automatically start to operate again in two hours.5. There are M polygons altogether, each of which has N vertexes.6. The advantages of this method over the scanning method have also been discussed.7. These two engineers are busy (in) designing a new kind of software.8. Iron is almost as good a conductor as aluminum.练习6I、1. This image, it will be noticed, is a real image.2. This device, it is said, was commercially available three years ago. [≈This device is said to have been commercially available.]3. This technical problem, we hope, will be solved soon.4. These systems will be presented in what the author hopes is a concise manner.5. 210 is approximately 1000, a fact that we think is very useful in the study of digital electronics.6. A resistor of say 100 ohms should be used here.7. Velocity is, we have noted before, a vector.II、1. No circuit has no resistance. [There is not a (no) single circuit that has any resistance.]2. None of those textbooks have (has) mentioned this point.3. All of these x values cannot satisfy the equation.4. Neither of the two conditions is satisfied.5. In the preceding chapter, we discussed all kinds of force.6. This paper describes a new method for designing aircraft.7. By the end of the last century, the company had manufactured 5000radars.8. Since 2002, this research institute has been developing a special kind of robot.9. All the computers in our laboratory are not very good in quality.10. The students are familiar with none of these parameters.III、1. In Section 1-2, the concept of force was introduced.2. As early as the 1940s, it was found that semiconductors are very useful.3. This result can also be arrived at in another way.4. At that time no use was made of this phenomenon. (…, thisPhenomenon was made no use of.)5. This point will be dealt with in the next section.IV、1. This machine works much better than that one (does).2. This computer requires many more components that that one (does).3. Macros have far fewer uses in C++.4. The distance of the moon from the earth is as great as 240,000 miles.5. The greater the resistance, the longer time it takes for the capacitor to reach its maximum voltage. (…, the longer time is required for the capacitor to reach its maximum voltage.)6. The farther the body is thrown, the greater force will be required.7. Calculate how many more seconds are required for the wheel to come to rest [stop].8. Of all the instruments in this laboratory, this one is the lowest in price […, this one is the cheapest].9. Sound travels in hydrogen much faster than in air.10. This astronomical observatory is the largest in our country.11. The current as small as 0.1 A is too small to produce enough heat.V、Many different methods can be used to resolve compounds into their elements. Sometimes, but not often, heat alone is sufficient. Joseph Priestley, an English chemist, discovered oxygen 200 years ago. A more common method of resolving compounds into elements is called electrolysis. This involves passing an electric current through a compound, usually in the liquid state. Through the process of electrolysis, it is possible to separate water into the two elements hydrogen and oxygen.VI、1. It is easy for us to determine the weight of the body. 或：We can determine the weight of the body easily.2. Air exerts pressure in all directions.3. Both the engineers are busy (in) designing a new type of computer.4. We find this concept very difficult to explain.5. None of these windows can withstand so large a force.6. Substituting Eq. (1-7) in [into] Eq. (1-8), we obtain [have; get] the following relation. [ Substituting (Substitution of) Eq. (1-7) in Eq. (1-8) yields [produces; gives; results in; leads to] the following relation.]7. Sound travels less fast than light does.8. Work equals [is equal to] force multiplied by distance.9. This equipment has a few advantages all its own.10. The results obtained agree with the experimental values. [… are in agreement with the experimental values.]练习7I、1. All we need to do is (to) measure the pressure on the body. [或：All that is necessary is to measure …; It is only necessary for us to measure …; We need only to measure ….]2. It is quite possible for them to solve this equation.3. It will take a few months to design this kind of aircraft with the help of a computer.4. If it is desired to find out this force, we may use the parallelogram method.5. It is left as a problem to [for] the reader to show that this expression hold.6. The program to be executed is stored in this unit.7. This valley acts as the foundation on which to build the dam.8. In this laboratory there are many kinds of instrument for students to choose from.9. Atoms are too small for us to see with our naked eyes.10. Let it be required to find out this component.11. Let t0 equal [be equal to] zero.12. The farther away the target (is), the longer time it takes for the echo to return.13. We find this problem easy to solve.14. It is necessary to solve this equation for x.15. For the series to converge, x must be less than 1.16. We find this concept very difficult to understand.17. This method makes it much easier to detect targets.18. Time-shared systems are expensive to build.19. This factor will affect the ability of a computer to store information.20. We have to find out how large to make r so as for the series to converge.21. This is a pen to draw pictures with.22. For the transistor to conduct, its base must be about 1.8 volts.23. Elasticity is the tendency of a body to return to its original condition after being deformed.24. An antenna is a device to transmit and receive radio waves.25. The lack of such protection has made it easy for malicious programs to destroy data on systems.26. These problems deserve to be further studied.27. We consider it necessary to make measurements with accuracy.28. R is the resistance to be measured.29. Each member has a switch with which to indicate a YES or NO vote.30. Ordinary matter is said to be electrically neutral.31.This property makes it possible for metals to be made into any shape.32. This table is unfit for a student to do experiments on.33. Now we consider what path of integration to take.34. In this case, the time necessary for the current to reachits maximum value is changed.35. The purpose to write this book is to give the reader a brief introduction to electronic computers. II、The period with which a body undergoes simple harmonic motion is the time required for it to make one complete oscillation. In the case of a spring [For a spring], the period is the time the spring spends in going from its maximum extension, through its maximum compression and back to its maximum extension once more. For all types of simple harmonic motion, the period T is given [expressed; denoted; represented] by T = 2π , a S /where the acceleration a is that experienced by the body when it is at its specified position.III、1. The sine law of the variation of the cylinder diameter with light intensity has been emphasized.2. Our method is different from those described [presented] in the papers available on [discussing] the same problem.3. To do all this, a sound knowledge of computer science is necessary. […, it is necessary to have a sound knowledge of computer science.]4. Not only do temperature and light affect the conductivity, but the addition of impurities to semiconductors also makes it change greatly.5. Various satellites are frequently launched to obtain information about [on] space.6. Our semiconductor industry came into being at the end of the 1950s.7. Direct current flows always in one direction.8. My colleagues and I would like to express our thanks toProfessor W. Smith for his great help. 练习8I、1. The compressed air has the ability to do work.2. The presently existing integration methods do not apply [hold] here.3. The amplifier amplifies the received signals.4. Moving molecules have kinetic energy.5. Fig. 1 – 3 shows the photo of a freely falling body.6. Speed equals distance divided by time.7. V oltage equals current multiplied by resistance.8. The resistance of air increases with the increased [increasing] speed.9. A transformer is a device consisting of two or more coils wound on [round] an iron core.10. It is necessary to find out the current flowing through this component.11. This book, properly used, will be of great help to the reader.12. Flowing through a circuit, the current will lose part of its energy.13. In this case, electrons have more energy, (thus) increasing the brightness of the light spot.14. Given [Knowing] time and speed, we can find out distance.15. Having studied this chapter, the student will understand the principle of a computer.16. The speed of light being extremely great, we cannot measure it by ordinary methods.17. Several comsats were launched, all of them (being) high-altitude satellites.18. Called “the mother of all networks,” the Internet is a widely used international network.19. The angle in radians, being defined as the ratio of a length to a length, is a pure number.20. This force can be resolved into two components, one (being) horizontal and the other vertical. II、1. With the switch closed, the balance point is found by trial and error.2. With both speakers on, what is the intensity at C?3. The Internet Protocol was not designed with security in mind.4. Let us construct [draw] a circle with the origin as the center and ofradius R.5. The equation to the circle of radius r with the center at the origin is x2 +y2= r2.6. This parameter should be measured with E grounded.7. Its Fourier transform can be obtained from Eq. (2 – 4), with the lowerlimit replaced by zero.8. With no resistance in the circuit, the current will increase indefinitely.9. With no input present, the output will be zero.10. With this in view, we have written this book.III、1. Let us consider designing a voting machine.2. Blood is capable of being broken down into various components.3. Multiplying a and b together to give e may be written asa×b = e.4. We refer to these components as being passive.5. A cell reproduces by dividing in two.6. This involves taking the Fourier transform.7. The light beam will be deflected upon entering the medium.8. On rearranging the above equations, we obtain the following set ofequations.9. In using this equation, it does not matter which plane is considered as10. Compressing a gas quickly raises its temperature.11. This machine needs repairing.12. This book is worth reading.VI、Let us begin our study of electricity by examining the results of a few basic experiments. The first experiment consists of stroking a rubber rod with some fur, and then in turn touching two small pith balls suspended from strings with the rod. The pith balls then swing apart, indicating that a repulsive force now acts between them. Next, we stroke a glass rod with a silk cloth and touch two different suspended pith balls in turn with it. Once more the pith balls swing apart, indicating a repulsive force. Now we bring near each other one of the pith balls touched with the rubber rod and one touched with the glass rod; they swing toward each other this time, indicating an attractive force. VII、The results obtained indicate that these two methods are consistent inessence, with the exception that they have their own specific application conditions.。
介绍你最以为傲的科技领先研究之一英语作文
介绍你最以为傲的科技领先研究之一英语作文全文共3篇示例，供读者参考篇1Title: An Introduction to One of the Technologically Advanced Researches I am Most Proud ofIntroductionIn this modern age of technology and innovation, there are countless groundbreaking researches being conducted across various fields. However, there is one particular research project that stands out to me as one of the most technologically advanced and promising endeavours of our time. In this essay, I will introduce you to this research project and explain why I am so proud of it.The Research ProjectThe research project that I am most proud of is the development of quantum computing technology. Quantum computing is a revolutionary approach to computing that uses the principles of quantum mechanics to perform calculations at a speed and efficiency that far surpasses classical computing. This technology holds the promise of solving complex problems thatare currently beyond the capabilities of classical computers, such as decrypting encryptions and simulating quantum systems.One of the key features of quantum computing is the use of qubits, which are the building blocks of quantum information. Unlike classical bits, which can only exist in a state of 0 or 1, qubits can exist in a superposition of both 0 and 1 at the same time. This property allows quantum computers to perform multiple calculations simultaneously, leading to exponential speedups in solving certain problems.Why I am Proud of this ResearchI am proud of this research project for several reasons. Firstly, the potential applications of quantum computing are vast and far-reaching. From advancing fields such as cryptography, machine learning, and drug discovery, to solving complex optimization problems in logistics and finance, quantum computing has the power to revolutionize industries and transform societies.Secondly, the development of quantum computing technology requires a multidisciplinary approach that combines expertise in physics, computer science, engineering, and mathematics. The collaboration between researchers fromdiverse backgrounds is not only intellectually stimulating but also fosters creativity and innovation.Furthermore, the challenges and obstacles faced in developing quantum computing technology are immense, ranging from controlling quantum systems at the nanoscale to mitigating decoherence and noise in quantum operations. Overcoming these technical hurdles requires ingenuity, perseverance, and a deep understanding of the fundamental principles of quantum mechanics.ConclusionIn conclusion, the research project on quantum computing is a testament to human ingenuity and the limitless possibilities of technology. As we continue to push the boundaries of what is possible in the field of quantum computing, I am confident that we will unlock new insights, solve previously unsolvable problems, and pave the way for a brighter and more advanced future. I am proud to be a part of this groundbreaking research and look forward to witnessing the transformative impact of quantum computing on our world.篇2One of the most proud technological advancements in recent years is the development of artificial intelligence. Artificial intelligence, or AI, is a branch of computer science that aims to create intelligent machines that can think, learn, and solve problems like humans. It is a field that has seen rapid growth and innovation, and has the potential to revolutionize many aspects of our lives.One of the key areas where AI has made significant advancements is in the field of healthcare. AI algorithms are being used to analyze medical images, diagnose diseases, and even suggest treatment plans. For example, AI-powered systems can now detect cancer in medical images with a high degree of accuracy, helping doctors make more informed decisions about patient care. In addition, AI has the potential to speed up the drug discovery process, leading to faster development of new treatments for various diseases.Another area where AI is making a big impact is in the field of self-driving cars. Companies like Tesla, Waymo, and Uber are all developing autonomous vehicles that can navigate roads and traffic without human intervention. These vehicles use AI algorithms to analyze sensor data, make decisions in real-time, and drive safely to their destinations. The potential benefits ofself-driving cars are enormous, including reducing traffic accidents, improving mobility for the elderly and disabled, and reducing greenhouse gas emissions.AI is also being used to improve customer service in various industries. Chatbots powered by AI are now being used by businesses to interact with customers, answer questions, and provide support. These chatbots can handle a large volume of queries simultaneously, saving time and resources for businesses while providing a better experience for customers. In addition, AI algorithms are being used to personalize marketing campaigns, predict customer behavior, and improve overall customer satisfaction.In conclusion, artificial intelligence is a technology that has the potential to change the world in significant ways. From healthcare to transportation to customer service, AI is already making a big impact and will continue to do so in the future. As researchers and engineers continue to push the boundaries of what is possible with AI, we can expect to see even more groundbreaking advancements that will shape the future of technology and society. I am proud to be living in a time when such incredible technology is being developed, and I look forward to seeing what the future holds for AI.篇3One of the most advanced technological researches that I am proud of is the development of artificial intelligence (AI) in the field of healthcare.Artificial intelligence is revolutionizing the healthcare industry by enabling machines to perform tasks that typically require human intelligence. This includes the ability to analyze complex medical data, make accurate diagnoses, and even predict patient outcomes.One of the most exciting applications of AI in healthcare is the development of predictive analytics models that can identify patients at risk of developing certain diseases. By analyzing large amounts of patient data, AI algorithms can identify patterns and trends that may indicate early signs of a disease. This can help healthcare providers intervene early and prevent the progression of the disease.AI is also being used to improve the accuracy of medical imaging. Machine learning algorithms can analyze medical images such as X-rays, MRIs, and CT scans, and detect abnormalities or potential diseases that may be missed byhuman radiologists. This can lead to earlier diagnosis and better treatment outcomes for patients.In addition, AI-powered chatbots are becoming increasingly popular in healthcare settings. These virtual assistants can provide patients with personalized medical advice, answer their questions, and even schedule appointments with healthcare providers. This not only improves patient experience but also helps to alleviate the burden on healthcare staff.Overall, the advancements in artificial intelligence in healthcare are truly groundbreaking and have the potential to transform the way we approach healthcare. By leveraging AI technologies, we can improve patient outcomes, reduce healthcare costs, and ultimately save lives. I am proud to be a part of this exciting field and look forward to seeing how AI continues to revolutionize healthcare in the future.。
精品文档-科技英语(电子类)(第三版)(秦获辉)-第二部分(第八课)
［5］ “to recover the original modulating voltages”为动词不定式短语作目的状语。
Lesson Eight 第八课
［6］ “in general”在此作状语, 意为“一般性地”。 ［7］ “showing why ～”为分词短语(由分词及其宾 语从句构成)处于句尾作状语, 表示附加说明。 ［8］ 这个“to”是名词“extent”要求搭配使用的。 “to a certain extent”是插在分词的宾语从句的复合谓语 之间的一个状语。
Lesson Eight 第八课
［15］“to be performed”为不定式的被动形式, 在此 作后置定语。
［16］在“way”后经常跟有一个省去引导词的定语从句 来修饰它(这将在第十二课语法Байду номын сангаас容中讲述), 在此“they demodulate the received signal”为定语从句。
Lesson Eight 第八课 Phrases and Expressions 词组和短语
1 deal with 处理; 论述 2 correspond to 相应于 3 so far 迄今为止; 就此范围说来 4 a range of 一系列的; 不少 5 all one’s own 独特地; 特有地 6 it is apparent that 显然; 很明显 7 it appears that 似乎, 好像 8 in turn 依次, 轮流; 转而； 反过来 9 lots of (=a lot of) 很多, 大量的
Lesson Eight 第八课
B. Electromagnetic Waves It follows from electromagnetic induction that whenever there is a change in a magnetic field, an electric field is produced, and it follows from Maxwell’s hypothesis that whenever there is a change in an electric field a magnetic field is produced It is evident that it is impossible to have either effect occur alone The electric field arising from a change in a magnetic field is in itself a change in the pre existing electric field, and therefore causes another magnetic field The latter magnetic field, too, represents a change, and from the change an electric field is in turn produced The process continues indefinitely, with a definite
(秦荻辉)科技英语写作PPT课件
第一节 词 类
(7)在人名的所有格之前不用冠词。 这个式子被称为欧姆定律。 This equation is known as Ohm's law． 根据法拉第定律，在初级绕组中感应出来的电压与 初级电感成正比。 The voltage induced in the primary winding is proportional to the primary inductance according to Faraday's law．
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第一节 词 类
中国 China 北京大学 Beijng University 西电大学 Xidian University 西北工业大学 the Northwestern Polytechnical University 计算机科学系 the Department of Computer Science
科技英语写作教程
秦荻辉 编著 西安电子科技大学出版社
1
第一章 科技英语单句写作
• 对于研究生、专业教师和科技工作者来说，所 谓科技英语写作，就是把中文的论文翻译成英 语文本的问题。目前我们在进行科技英语写作 学习过程中最迫切的任务是一定要把单句写好。
• 另外，写作和翻译具有很强的实践性，一些国 内外著名专家一再强调，写作课就是要“写”， 翻译课就是要“译”，理论并不多，只有通过 大量实践才能掌握必要的写作和翻译技巧。
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第一节 词 类
一、冠词 在写作时，冠词用错的情况极为普遍，多数人 往往漏用冠词，有些人是乱用冠词。对冠词的使 用应注意以下几点。
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第一节 词 类
1．一般应加冠词的情况 (1)在单数可数名词前一般要有冠词，泛指时多用不
定冠词。如：
电动势加在铜导线的两端。 An emf is applied across the ends of a copper wire． 发射机通常是由几部分构成的。 A transmitter consists commonly of several parts．
西安电子科技大学 研究生 科技英语 PPT
The good news is HP controls the primary market share. Also the consumer inertia is another element can guarantee the company has the right of control.
Reading 40%
Questions Translation Summary Writing
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Exercises 这个信号包含的信息比那个信号多三倍. 我们所说的接收机是能够接受无线电波的 一种设备。 这所大学与十年前大不一样了。 晶体管与电子管相比有许多优点。 计算机由于运算准确、速度快而得到了广 泛的应用。 输出随输入的变化情况示于图2中。
The pronoun ―I‖ and ―We‖ are rarely used Rhetorical expressions, metaphors, colloquial expressions are avoided
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But even though the Copernican theory greatly simplified the ptolemaic theory by eliminating the large epicycles(本轮) that were really the result of the earth’s own motion, neither the theory predicted the exact positions of the planets at all times. The error in both theories was often as much as two degrees. 然而，即便哥白尼的理论通过消除实际上是由地球 自身运动所引起的大本轮而大大地简化了托勒密的 理论，两种理论均不能预测出这些行星在所有时间 的精确位置。这两种理论之间的误差通常高达两度。
(秦荻辉)科技英语写作
第一节 词 类
中国 China 北京大学 Beijng University 西电大学 Xidian University 西北工业大学 the Northwestern Polytechnical University 计算机科学系 the Department of Computer Science
第一节 词 类
(2)论文的标题、书籍名称等的冠词可以省去。如： 锁相环的研究 Study of Phase-locked Loops 计算机入门 Introduction to Computers
第一节 词 类
(3)专有名词一般不加冠词。在科技文写作中，主要 涉及到的专有名词有人名、地名、单位名称和国 家名称。其中单位名称和国家名称需要注意以下 几点：一般由单个词表示的国家名称或一个地点 名词加“大学”构成的专有名称前不加冠词；由三个 或三个以上的普通单词构成的单位或国家名称前 要加定冠词(不过写在信封上或发表的论文作者下 面等场合时一般可不加冠词)。如：
第一节 词 类
2．数词在句子中作前置修饰语 (倍数；分数)+（the+名词；that+后置定语（多为“of 短语”）；what从句） 这个电压是加给放大器的信号的80倍。
This voltage is 80 times the signal applied to the amplifier． 其速度为光速的十分之三。 Its speed is three tenths that of light．
第一节 词 类
(5)某些可数名词单数形式在泛指时可省去冠词。 欧姆首先发现了电流、电压、电阻之间的关系。 Ohm first discovered the relationship between current， voltage，and resistance． 晶体管是由发射极、基极和集电极三部分构成的。 A transistor consists of three parts：emitter, base and collector．
弘扬科学家精神英语作文80词
弘扬科学家精神英语作文1Scientists play a crucial role in the progress of human society. Their spirit is an invaluable asset that should be widely promoted.The spirit of scientists is embodied in many aspects. Take Newton for example. When he saw an apple fall to the ground, he began to think deeply and eventually discovered the law of universal gravitation. This shows his spirit of exploration. He was not satisfied with the status quo but constantly delved into the mysteries of nature. Another remarkable scientist is Yuan Longping. He dedicated his life to the research of hybrid rice. Despite numerous difficulties and setbacks, he persevered and made great contributions to solving the global food problem. This reflects his spirit of dedication.The importance of promoting the spirit of scientists cannot be overstated. Firstly, it can inspire young people to pursue knowledge and innovation. When they learn about the achievements and spirits of great scientists, they will be motivated to study hard and strive for excellence. Secondly, it can promote the development of science and technology. Only when people have the spirit of exploration and innovation can we make continuous progress in various fields. Thirdly, it can enhance the national soft power. A country with a large number of outstanding scientists and a strong scientific spirit will be highly respected in the international community.In conclusion, we should actively promote the spirit of scientists. Let us learn from the great scientists, inherit and carry forward their spirits, and contribute to the progress of human society.2Scientists play a crucial role in the progress of society. Their spirit is like a bright light that illuminates the path of human development.The spirit of scientists is manifested in many aspects. Take Thomas Alva Edison, for example. In the process of inventing the electric light, he encountered countless failures. However, he never gave up. His perseverance and determination led him to finally succeed. His story has inspired generations of people to pursue innovation and excellence.Another remarkable scientist is Tu Youyou. She conducted research on artemisinin under extremely difficult conditions. Despite facing numerous challenges, she remained committed to her work. Her dedication and hard work have made a huge contribution to global health. Her spirit shows us the importance of perseverance and innovation in scientific research.The spirit of scientists not only promotes the development of science and technology but also has a profound impact on society as a whole. It encourages people to be brave in exploring the unknown, to be persistent in the face of difficulties, and to be innovative in thinking. This spirit can inspire people from all walks of life to work hard and contribute to the prosperity and progress of society.In conclusion, the spirit of scientists is an invaluable asset. We should cherish and carry forward this spirit, so that it can continue to drive social progress and create a better future for humanity.3Scientists play a crucial role in advancing human knowledge and improving our lives. Their spirit of curiosity, perseverance, and innovation is something we should all strive to emulate in our daily lives.To begin with, cultivating curiosity is essential in carrying forward the spirit of scientists. We should always be eager to learn new things and ask questions. Just like famous scientists who were constantly driven by their curiosity to explore the unknown, we too can develop this trait by being observant of the world around us. For instance, when we see a natural phenomenon, instead of simply accepting it, we can ask why it occurs and seek answers through research and exploration.Moreover, we must have the courage to face difficulties and not be afraid to try new things. Scientists often encounter numerous setbacks and failures in their research, but they never give up. In our daily lives, we may also face challenges when learning new skills or attempting difficult tasks. However, we should take these as opportunities to grow and learn. We can approach problems with a positive attitude and be willing to experiment with different solutions.In addition, innovation is another important aspect of the scientist's spirit. We should encourage creative thinking and be open to new ideas. This can be done by participating in activities that stimulate our imagination, such as art, music, and literature. We can also collaborate with others and share our ideas to generate new perspectives.Finally, we can spread the spirit of scientists by sharing knowledge and inspiring others. We can talk about scientific discoveries and achievements with our friends and family, and encourage them to develop an interest in science. We can also volunteer in science-related activities or join science clubs to promote scientific literacy.In conclusion, by cultivating curiosity, facing difficulties bravely, being innovative, and sharing knowledge, we can all contribute to promoting the spirit of scientists in our daily lives. Let us strive to be like the great scientists and make a positive impact on the world.Scientists play a crucial role in advancing human knowledge and improving our lives. The spirit of scientists is a source of inspiration for all of us, especially for middle school students.The spirit of scientists is manifested in many aspects. Firstly, it embodies perseverance and concentration. Take Marie Curie, for example. She was deeply engaged in the research of radioactive substances. Despite the hardships and difficulties, she remained committed and focused. Her unwavering dedication led to the discovery of radium and polonium, which had a profound impact on the field of science.Secondly, the spirit of scientists also includes innovative thinking. Albert Einstein's theory of relativity is a prime example. His revolutionary ideas challenged the traditional understanding of space and time, opening up new frontiers in physics. Einstein's creative thinking and courage to question the established norms have inspired generations of scientists.Moreover, scientists are also characterized by a sense of curiosity and exploration. They are constantly seeking answers to the unknown, driven by their thirst for knowledge. This curiosity drives them to conduct experiments, make observations, and draw conclusions.In conclusion, the spirit of scientists is a valuable asset that we should cherish and learn from. As middle school students, we can develop our own perseverance, innovative thinking, and curiosity by emulating the great scientists. We should strive to pursue knowledge with passion and dedication, and contribute to the progress of society.Scientists play a crucial role in advancing human knowledge and improving our quality of life. The spirit of scientists is a valuable asset that should be widely promoted and carried forward.From a historical perspective, the spirit of scientists has been passed down through generations. In ancient times, great thinkers like Aristotle and Archimedes laid the foundation for scientific inquiry. Their pursuit of truth and understanding inspired future generations to explore the mysteries of the world. Throughout history, countless scientists have dedicated their lives to scientific research, making remarkable contributions to various fields. For example, Newton's discovery of gravity and Einstein's theory of relativity have revolutionized our understanding of the universe. Their perseverance, innovation, and courage in the face of challenges are exemplary manifestations of the spirit of scientists.In the international arena, the spirit of scientists also promotes global cooperation. In today's era of globalization, scientific research has become an international endeavor. Scientists from different countries work together to address common challenges such as climate change, disease prevention, and energy conservation. The spirit of cooperation, openness, and sharing among scientists transcends national boundaries and promotes the progress of human civilization. For instance, the international cooperation in the field of space exploration has brought about many significant achievements. Scientists from different countries jointly develop space technology and explore the mysteries of the universe, demonstrating the power of scientific cooperation.Moreover, the spirit of scientists also embodies a sense of responsibility and mission. Scientists are not only engaged in scientific research for personal interests but also shoulder the responsibility of serving society and humanity. They use their knowledge and skills to solve practical problems and improve people's livingstandards. For example, in the fight against the COVID-19 pandemic, scientists around the world have worked tirelessly to develop vaccines and treatment methods, demonstrating their sense of responsibility and dedication.In conclusion, the spirit of scientists is of great significance. It not only promotes the progress of science and technology but also inspires us to pursue excellence, cooperate with others, and shoulder social responsibilities. We should actively promote and carry forward the spirit of scientists, and let it shine brightly in the new era.。
2021宝鸡三模英语作文
2021宝鸡三模英语作文Title: Embracing Change: A Reflection on the Evolution of Technology。
In today's rapidly evolving world, technology plays an increasingly crucial role in our daily lives. As we navigate through the digital age, it is evident that technology has transformed the way we communicate, work, and live. In this essay, I will delve into the profound impact of technology on society and explore how it has reshaped various aspects of our lives.First and foremost, technology has revolutionized communication. With the advent of smartphones, social media platforms, and messaging apps, we can now connect with anyone, anywhere in the world, instantaneously. This interconnectedness has facilitated the exchange of ideas, facilitated collaborations, and bridged cultural divides. Additionally, technology has transformed the way we consume information, with news and entertainment now readilyaccessible at our fingertips.Moreover, technology has significantly altered the landscape of education and learning. The traditional classroom setting has been augmented by digital tools and resources, allowing for more personalized and interactive learning experiences. From online courses to educational apps, students now have access to a wealth of knowledge beyond the confines of textbooks. Furthermore, emerging technologies such as virtual reality (VR) and augmented reality (AR) are revolutionizing how we perceive and engage with educational content, making learning more immersive and engaging.In the realm of healthcare, technology has brought about groundbreaking advancements that have revolutionized patient care and treatment. From electronic medical records to telemedicine services, technology has improved the efficiency and accessibility of healthcare delivery. Additionally, medical innovations such as wearable devices and health monitoring apps empower individuals to take control of their own health and well-being. Moreover,technologies like artificial intelligence (AI) are enabling healthcare professionals to diagnose diseases more accurately and develop targeted treatment plans.Furthermore, technology has transformed the way we work and conduct business. The rise of remote work and digital nomadism has redefined the traditional office environment, allowing individuals to work flexibly from anywhere in the world. Cloud computing, collaboration tools, and project management software have facilitated seamless communication and collaboration among teams, regardless of geographical barriers. Moreover, e-commerce platforms haverevolutionized the way we shop and conduct transactions, offering unparalleled convenience and accessibility.However, amidst the myriad benefits of technology, it is essential to acknowledge and address its potential drawbacks. The digital divide, for instance, exacerbates existing inequalities by limiting access to technology and digital literacy skills among marginalized communities. Moreover, concerns regarding privacy, cybersecurity, and the ethical implications of emerging technologies continueto challenge policymakers and society at large.In conclusion, the evolution of technology has ushered in a new era of unprecedented connectivity, innovation, and opportunity. From communication and education to healthcare and business, technology has permeated every aspect of our lives, reshaping the way we live, work, and interact with the world around us. As we embrace these technological advancements, it is imperative that we remain vigilant, mindful of the challenges and ethical considerations that accompany progress. Only by harnessing the power of technology responsibly can we truly realize its full potential to improve the human condition and shape a better future for generations to come.。
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With结构习题—状语 放句尾
2、表示条件 P93第6题：这个参数应该在E接地的情况下加以测量。 译：This parameter should be measured with E grounded. P93第7题：其傅氏变换可以从式（2-4）获得，只需下限用零 来替代。 译： Its Fourier transform can be obtained from Eq. (2 – 4),with the lower limit replaced by zero.
3、P94第6题：这涉及到取傅氏变换。 译： This involves taking the Fourier transfo rm.
5、P94第11题：这本书值得一读。 译：This book is worth reading.
动名词习题—动名词的被动形式
3、动名词的被动形式 P94第2题：血液能被分解成各种成分。 译文： Blood is capable of being broken down into various components.
2、with结构做定语
With结构习题—状语 放句首
1、表示条件
P93第2题：如果两个扬声器都开着，C点的声强为多大？ 译：With both speakers on, what is the intensity at C?
P94第9题：在没有输入的情况下，输出为零。 译:With no input present, the output will be zero.
With结构习题—作定语
1、P93第4题：让我们以原点为圆心做一个半径为R的圆。
译： Let us construct a circle with the origin as the center and of radius R. 2、P93第5题：圆心在原点、半径为r的圆的方程为x2 + y2= r2. 译： The equation to the circle of radius r with the center at the origin is x2 + y2= r2.
2、P94第7题：光束进入该媒介时就会被折 射。 译：The light beam will be deflected upon entering the medium.
3、P94第8题：将上面的方程整理后，我们得到 了下面的方程组。
译： On rearranging the above equations，we obtain the following set of equations. 4、P94第9题：在使用这个式子时，把哪个平面 看成1是没有关系的。 译：In using this equation, it does not matter which plane is considered as 1.
动词非谓语形式
Verbal Forms
2014.05.16 钟适谦
Self introduction With结构 动名词 习题讲解
Self-introduction 姓名：钟适谦 院系：土木院
专业：市政工程
籍贯：四川内江
美食
美景
With结构
1、with结构做状语 在句首表示条件、时间和原因 在句尾表示附加说明、方式和条件
speakers
谢谢观赏
2、P94第4题：我们把这些元件称为是无源的。 译：We refer to these components as being passive.
Capacitance
Inductance
Resistance
4、P94第10题： 这台机器需要修理了。 译：This machine needs repairing.
动名词习题—动名词做主语
1、动名词做主语
P94第3题：把a和b乘在一起来得出e可以写成 a×b=e。 译文：
Multiplying a and b together to give e may be written a×b=e
动名词习题---特殊动词
2、V+动名词
1、P94第1题：让我们考虑设计一台投票机。 译：Let us consider designing a voting machine.
3、表示原因
P94第10题：由于考虑到了这一点，我们设计了这台机 器。 译：With this in view, we have designed this machine.
With结构习题—状语 放句尾 1、表示伴随 P93第3题：在设计英特网协议时没有考虑安 全问题。
译： The Internet Protocol was not designed with security in mind.
血浆 Plasma ['plæzmə] 白细胞 Leukocyte ['ljuːkəʊsaɪt] 血小板 Blood platelet [blʌd] ['pleɪtlɪt]
红细胞 Erythrocyte [ɪ&+动名词
1、P94第5题：细胞通过一分为二进行繁殖。 译： A cell reproduces by dividing in two.
动名词
1、动名词做主语。不涉及动作发出的具体时间。 2、动词+v-ing形式。 特殊动词：avoid、consider、involve 、facilitate、 require、 finish、suggest 、practice、 resist等。 3、动名词的被动形式 being+ V-ed 4、介词+动名词 通过：by 一…就… ：upon/on 在…时： in
P93第8题：若电路中没有电阻，电流就会 无限增大。 译：With no resistance in the circuit ， the current will increase indefinitely.
With结构习题—状语 放句首
2、表示时间
P93第1题：当开关闭合时，用试探法可求得平衡点。 译：With the switch closed ， the balance point is found by trial and error.