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交通出行选择行为的量子决策实验研究

交通出行选择行为的量子决策实验研究

第21卷第2期2023年06月交通运输工程与信息学报Journal of Transportation Engineering and InformationVol.21No.2Jun.2023文章编号:1672-4747(2023)02-0029-13交通出行选择行为的量子决策实验研究赵传林*,王钰涵,武海娟,孙阳琪,丁力(北京建筑大学,土木与交通工程学院,北京102616)摘要:量子决策模型是基于量子物理思想的一种新兴决策模型,近年来,在解释个体不确定状态下的决策行为方面展现出独特优势。

本文基于量子决策模型研究交通出行决策行为,设计了体现干扰效应、框架效应及顺序效应的调查问卷。

首先,将分类-干扰量子决策实验进行改进,在实验范式中引入了交通出行因素,得到了新的干扰系数。

其次,借鉴经典的Linda问题研究思路设计了四个与交通出行有关的合取谬误问题,结合数据得出了新的干扰系数和量子几何投影图像,验证了干扰对决策行为的影响。

然后,在生命安全、财产损失、时间成本三个维度和积极、消极两种描述方式上使用齐当别理论,解释了框架对决策行为的影响。

最后,通过变换问题顺序构建量子问题等式,并使用顺序效应散点图验证了量子问题等式的预测准确性。

结果表明:量子理论对决策者不确定状态下决策行为的描述具有理论优势,量子决策模型可以解释交通出行决策行为中的干扰效应、框架效应及顺序效应,拓展了量子思想理论在交通决策行为领域的应用。

关键词:城市交通;量子决策模型;实验调查;交通出行;干扰效应;框架效应;顺序效应中图分类号:U491文献标志码:A DOI:10.19961/ki.1672-4747.2023.01.001Experimental study on quantum decision-making of travel choicebehaviorZHAO Chuan-lin*,WANG Yu-han,WU Hai-juan,SUN Yang-qi,DING Li (School of Civil and Transportation Engineering,Beijing University of Civil Engineering and Architecture,Beijing102616,China)Abstract:The quantum decision model is a novel approach based on quantum physics that has dem-onstrated unique advantages in clarifying individual decision-making behavior under uncertain cir-cumstances.The objectives of this study are to investigate travel choice behavior using the quantum decision model and to design experimental questionnaires that reflect interference,framing,and or-der effects.First,the experiment introduces the categorization-decision interference,including traffic factors and obtains a new interference parameter.Second,four conjunctive fallacy problems related to travel behavior are designed based on the classical Linda problem,and new interference coeffi-cients and quantum geometric projection images are obtained.Next,the equate-to-differentiate meth-od is used in the three dimensions of life safety,property loss,and time delay,and two descriptions of positive and negative,to explain the effect of the frame on the decision-making behavior.Finally, by changing the order of the questions to construct the equation of quantum problems,the prediction收稿日期:2023-01-02录用日期:2023-02-24网络首发:2023-03-07审稿日期:2023-01-02~01-03;01-08~01-16;02-12~02-21;02-24基金项目:国家自然科学基金(71971014);北京市教委科技计划项目(KM202010016007);北京建筑大学金字塔人才培养工程项目(JDJQ20200301);北京建筑大学研究生创新项目(PG2023052)作者简介:赵传林(1987—),男,博士,副教授,研究方向为交通运输规划与管理、交通行为经济学等,E-mail:**********************.cn 引文格式:赵传林,王钰涵,武海娟,等.交通出行选择行为的量子决策实验研究[J].交通运输工程与信息学报,2023,21(2):29-41.ZHAO Chuan-lin,WANG Yu-han,WU Hai-juan,et al.Experimental study on quantum decision-making of travel choice behavior[J].Journal of Transportation Engineering and Information,2023,21(2):29-41.30交通运输工程与信息学报第21卷accuracy of the quantum equation is verified using the order effect scatter plot.The results show that the quantum decision model has theoretical advantages in describing the superposition state of deci-sion-makers,particularly the interference,framing,and order effects.This expands the application of the quantum theory in travel choice behavior.Key words:urban traffic;quantum decision model;experimental investigation;travel choice behav-ior;interference effect;framing effect;order effect0引言人类最为显著的特征就是其具备做选择、判断和决策的能力,以及在做选择、判断和决策的过程中所具有的理性思考和感性知觉[1]。

高三现代科技前沿探索英语阅读理解20题

高三现代科技前沿探索英语阅读理解20题

高三现代科技前沿探索英语阅读理解20题1<背景文章>Artificial intelligence (AI) is rapidly transforming the field of healthcare. In recent years, AI has made significant progress in various aspects of medical care, bringing new opportunities and challenges.One of the major applications of AI in healthcare is in disease diagnosis. AI-powered systems can analyze large amounts of medical data, such as medical images and patient records, to detect diseases at an early stage. For example, deep learning algorithms can accurately identify tumors in medical images, helping doctors make more accurate diagnoses.Another area where AI is making a big impact is in drug discovery. By analyzing vast amounts of biological data, AI can help researchers identify potential drug targets and design new drugs more efficiently. This can significantly shorten the time and cost of drug development.AI also has the potential to improve patient care by providing personalized treatment plans. Based on a patient's genetic information, medical history, and other factors, AI can recommend the most appropriate treatment options.However, the application of AI in healthcare also faces some challenges. One of the main concerns is data privacy and security. Medicaldata is highly sensitive, and ensuring its protection is crucial. Another challenge is the lack of transparency in AI algorithms. Doctors and patients need to understand how AI makes decisions in order to trust its recommendations.In conclusion, while AI holds great promise for improving healthcare, it also poses significant challenges that need to be addressed.1. What is one of the major applications of AI in healthcare?A. Disease prevention.B. Disease diagnosis.C. Health maintenance.D. Medical education.答案:B。

国际贸易理论和实务石导论

国际贸易理论和实务石导论
国际贸易理论与实务
淮阴工学院 经济管理学院 讲课教师:石卫星
成绩记分情况,要求 课程旳主要内容 贸易 贸易旳目旳
国内贸易与国外贸易
联络: 都是商品和劳务旳互换 基本目旳一致 交易旳程序基本一致 区别: 外贸涉及到两个或两个以上旳国家旳贸易 外贸比内贸复杂 对外贸易旳风险大 对经营外贸人员旳素质要求高
六 对外贸易与国际贸易地理方向
国际贸易地理方向(Direction of International Trade)又称国际贸易地理 分布(International Trade by Region)
表达各洲、各国或地域旳出口贸易额或 进口贸易额占世界出口总额或进口总额 旳比重来表达。
对外贸易地理表达一定时期内一种国家 旳出口商品流向和进口商品旳起源 。
只有在其他条件不变旳情况下,商品贸易条件指 数增长才有利。
五 对外贸易与国际贸易商品构造
国际贸易商品构造(Composition of International Trade)指一定时期内各类 商品在国际贸易中旳地位,一般用它们 在世界出口总额中所占旳比重来表达。
对外贸易商品构造指一种国家在一定时 期内进出口贸易中各类商品旳构成情况
第三国进行。
3、转口贸易:向生产国进口商品是为了向第三 国出口。
4、过境贸易:某些国家因为特殊旳地理位置, 为了节省运费或时间,从生产国购货后,常经 过第三国才干入境,对于第三国来说,就是过 境贸易。
转口贸易与过境贸易旳区别:
(1)转口贸易中,第三国参加贸易过程,起媒介 作用。
过境贸易中,第三国不参加贸易过程
1、特点 (1)范围狭窄:近海 (2)商品种类少,比重小:奴隶、奢侈品 (3)民间自发,政府未参加 2、作用 奴隶买卖,提供了奴隶社会旳支撑作用 支持了手工业旳发展 货币作用范围扩大,推动商品经济旳发展

中国新四大发明与变化的英语作文

中国新四大发明与变化的英语作文

中国新四大发明与变化的英语作文全文共3篇示例,供读者参考篇1The four great inventions of ancient China refer to papermaking, gunpowder, printing, and the compass. These inventions have had a profound impact on Chinese history and the development of civilization. In recent years, the Chinese government has put forward a new concept of the "four new great inventions," which are high-speed rail, mobile payment, shared bikes, and online shopping. These inventions have not only changed the way Chinese people live and work but have also had a significant impact on global society.High-speed rail, also known as the bullet train, is one of the most significant technological advancements in modern China. It has revolutionized transportation in the country, making it faster, more convenient, and more efficient. With speeds of up to 350 kilometers per hour, high-speed trains have connected major cities and regions, reducing travel time and boosting economic development. The development of high-speed rail has not only benefited the domestic market but has also garneredinternational recognition, with a growing number of countries looking to adopt similar technology.Mobile payment is another innovation that has transformed the way people in China conduct financial transactions. With the rise of mobile internet and the widespread adoption of smartphones, mobile payment platforms such as Alipay and WeChat Pay have become ubiquitous in everyday life. From buying groceries to paying utility bills, mobile payment has made transactions faster and more convenient. It has also driven the digitalization of the economy, making it easier for businesses to reach consumers and improve efficiency.Shared bikes have become a common sight in many Chinese cities, providing a convenient and environmentally friendly mode of transportation for urban residents. Companies like Mobike and Ofo have placed millions of bicycles on the streets, allowing people to easily rent and return bikes using smartphone apps. Shared bikes have helped alleviate traffic congestion and reduce pollution, promoting a healthier and more sustainable urban lifestyle. Although the sector has faced some challenges in recent years, shared bikes continue to play an essential role in urban mobility and public transportation.Online shopping has experienced explosive growth in China, driven by e-commerce platforms like Taobao, , and Tmall. Chinese consumers can now purchase a wide range of products online, from groceries and clothing to electronics and luxury goods, with just a few clicks. Online shopping has not only made it easier for people to shop for goods but has also created new opportunities for businesses to reach customers and expand their market share. It has also contributed to the growth of the digital economy and the development of innovative technologies such as artificial intelligence and big data.In conclusion, the "four new great inventions" of China have brought about significant changes to society and the economy. High-speed rail, mobile payment, shared bikes, and online shopping have improved people's lives, boosted economic growth, and elevated China's status as a global technological powerhouse. These inventions reflect China's commitment to innovation and its determination to play a leading role in the digital age. As technology continues to evolve, it is essential for China to continue investing in research and development to sustain its position as a frontrunner in the field of innovation.篇2China, as a country with a rich history and culture, has always been at the forefront of innovation and development. In recent years, China has made significant advancements in technology and science, leading to the emergence of what is now known as the "Four Great Inventions of China".The Four Great Inventions of China refer to four inventions that have had a profound impact on society and have changed the way we live and work. These inventions are the compass, gunpowder, papermaking, and printing. These inventions have not only revolutionized the way we communicate and travel but have also played a crucial role in the development of civilization.The compass, one of the Four Great Inventions of China, revolutionized navigation and exploration. The invention of the compass allowed sailors to navigate the seas with accuracy and precision, enabling them to travel further and discover new lands. The compass not only helped to facilitate trade and communication between different regions but also played a crucial role in the Age of Exploration, leading to the discovery of new continents and the expansion of empires.Gunpowder, another of the Four Great Inventions of China, revolutionized warfare and changed the course of history. The invention of gunpowder gave China a military advantage over itsenemies, allowing them to develop powerful weapons such as cannons and rockets. The use of gunpowder in warfare changed the way battles were fought and led to the rise of powerful empires and dynasties.Papermaking, one of the Four Great Inventions of China, revolutionized the way information was recorded and disseminated. The invention of paper allowed for the creation of written records and documents, enabling people to communicate and share information across vast distances. Papermaking also played a crucial role in the spread of knowledge and learning, leading to advancements in science, literature, and philosophy.Printing, the fourth of the Four Great Inventions of China, revolutionized the way information was produced and distributed. The invention of printing allowed for the mass production of books and printed materials, making knowledge more accessible to a wider audience. Printing also played a crucial role in the dissemination of ideas and information, leading to the spread of literacy and the democratization of knowledge.The Four Great Inventions of China have had a profound impact on society and have changed the course of history. Theseinventions have not only revolutionized technology and science but have also shaped the way we live and work. The compass, gunpowder, papermaking, and printing have influenced every aspect of our lives, from the way we communicate and travel to the way we record and disseminate information.In conclusion, the Four Great Inventions of China have had a lasting impact on society and have changed the way we live and work. These inventions have revolutionized technology and science and have shaped the course of history. The compass, gunpowder, papermaking, and printing have not only revolutionized the way we communicate and travel but have also played a crucial role in the development of civilization. China's Four Great Inventions continue to inspire innovation and creativity and serve as a testament to the country's rich history and culture.篇3China's New Four Great Inventions and ChangeIn 2016, China announced the discovery of four new inventions that have the potential to revolutionize various industries. Hailed as the "New Four Great Inventions", these breakthroughs have not only showcased China's capacity forinnovation but also ignited discussions on their potential impact on the global economy and society.The first of the new inventions is the Quantum Communication Network, which uses the principles of quantum mechanics to create a highly secure communication system. This technology has the potential to transform the way information is transmitted and protected, opening up new possibilities for secure communication in areas such as finance, healthcare, and national security.The second invention is the Fuxing high-speed train, which has set a new standard for high-speed rail transportation. With a top speed of 400 km/h, the Fuxing train has significantly reduced travel time between major cities in China, making it a more convenient and efficient mode of transportation. The success of the Fuxing train has also boosted China's reputation as a leader in high-speed rail technology.The third invention is the Beidou Navigation Satellite System, which aims to provide global navigation services similar to the US-owned GPS system. By developing its own satellite navigation system, China has reduced its dependence on foreign technology and bolstered its national security. The Beidou system has already been used in a wide range of applications,from transportation and agriculture to disaster relief and emergency response.The fourth invention is the Tianhe-2 Supercomputer, which was the world's fastest supercomputer at the time of its launch. With a processing speed of 33.86 petaflops, the Tianhe-2 has the ability to handle complex calculations and simulations at an unprecedented scale. This supercomputer has been used in various fields such as weather forecasting, drug discovery, and astrophysics, demonstrating its potential to drive scientific and technological advancement.These new inventions have the potential to bring about significant changes in various aspects of society and the economy. For example, the Quantum Communication Network could enhance cybersecurity and protect sensitive information from cyber threats, while the Fuxing high-speed train could improve transportation connectivity and boost economic development in urban areas. The Beidou Navigation Satellite System could enhance the efficiency of transportation and logistics operations, while the Tianhe-2 Supercomputer could accelerate scientific research and innovation.In conclusion, China's new four great inventions have the potential to revolutionize various industries and bring aboutpositive changes in society and the economy. By investing in innovation and technology, China has demonstrated its commitment to driving progress and shaping the future of global development. With these breakthroughs, China is well-positioned to lead the way in the digital age and drive transformational change on a global scale.。

一个神奇的发明英语作文

一个神奇的发明英语作文

一个神奇的发明英语作文Humanity has always been driven by the innate desire to create, to innovate, and to push the boundaries of what is possible. Throughout the course of our history, we have witnessed countless groundbreaking inventions that have transformed the way we live, work, and interact with the world around us. From the wheel to the internet, each new discovery has paved the way for further advancements, unlocking new realms of possibility and ushering in a brighter future.In the annals of human ingenuity, one invention stands out as truly remarkable – a creation so revolutionary and awe-inspiring that it has the power to alter the very fabric of our existence. This is the story of a magical invention that has the potential to change the world as we know it.Imagine a device that can transport you to any location on Earth, or even beyond, in the blink of an eye. A device that can defy the laws of physics, allowing you to soar through the skies, dive to the depths of the ocean, or explore the vast expanse of outer space with ease.This is the essence of the invention I'm about to describe – a teleportation device that can rewrite the rules of space and time.The concept of teleportation has long captured the imagination of scientists, science fiction writers, and the general public alike. The idea of being able to instantly transport oneself from one place to another has been the subject of countless thought experiments, scientific studies, and fantastical narratives. And now, after years of painstaking research and groundbreaking discoveries, this dream has become a reality.The key to this revolutionary invention lies in the manipulation of subatomic particles and the harnessing of quantum phenomena. By understanding the complex dance of electrons, protons, and neutrons, the team of brilliant scientists behind this project has developed a way to disassemble matter at the atomic level, transmit the information across space, and then reassemble it at the desired location.The process is both elegant and mind-bending. The user simply steps into a specialized chamber, where a series of high-energy beams and sophisticated scanners analyze their physical structure down to the smallest detail. This information is then converted into a stream of data, which is transmitted through a network of quantum-entangled particles, allowing for instantaneous transportation.At the destination, a complementary chamber receives the data and uses it to reconstruct the user's physical form, right down to the last atom. The result is a seamless transition, with the user appearing at the new location without a single hair out of place.The implications of this technology are staggering. Imagine the ability to travel across the globe in the blink of an eye, without the need for planes, trains, or automobiles. No more traffic jams, no more long-haul flights, no more geographical barriers – the world would suddenly become a much smaller and more accessible place.But the applications of this invention go far beyond mere convenience. Think of the impact it could have on fields like medicine, where patients could be transported to specialized treatment centers in a matter of seconds, saving precious time and lives. Or the potential it holds for scientific exploration, allowing researchers to venture to the most remote and inhospitable corners of the planet, or even beyond, with unprecedented ease.And the benefits extend to the environment as well. By eliminating the need for fuel-guzzling modes of transportation, this teleportation device could significantly reduce our carbon footprint, helping to mitigate the effects of climate change and paving the way for a more sustainable future.Of course, with any groundbreaking invention, there are always concerns and challenges to be addressed. Issues of security, privacy, and potential misuse will need to be carefully navigated. But the team behind this project has taken great care to implement robust safeguards and protocols, ensuring that the technology is used responsibly and for the betterment of humanity.As I stand in awe of this remarkable invention, I can't help but wonder about the endless possibilities it holds. Will it revolutionize the way we live, work, and explore the world? Will it unlock new frontiers of scientific discovery and human achievement? Only time will tell, but one thing is certain – this magical invention has the power to change the course of history, and we are privileged to witness its emergence.In the end, the true magic of this invention lies not in its technological prowess, but in its ability to inspire us, to challenge our preconceptions, and to push the boundaries of what we thought possible. It is a testament to the boundless ingenuity of the human mind, and a reminder that the greatest innovations often arise from the most daring dreams.。

对未来交通的展望英语作文

对未来交通的展望英语作文

In the realm of human progress, transportation has always been an instrumental pillar, evolving in tandem with our technological advancements and societal needs. The future of transportation is poised at the cusp of a revolutionary transformation, where sustainability, efficiency, and connectivity will redefine our mobility landscape. This essay embarks on a comprehensive exploration of this anticipated metamorphosis, delving into several key aspects that promise to shape the face of transportation in the coming decades.Firstly, sustainability stands as a cardinal principle guiding the trajectory of future transportation. The global consensus for combating climate change necessitates a shift from fossil-fuel reliant vehicles to electric and hydrogen-powered alternatives. Electric vehicles (EVs), powered by renewable energy sources, are set to dominate the roads. Moreover, autonomous electric cars will not only reduce carbon emissions but also enhance energy efficiency through optimized driving patterns. Futuristic concepts like solar highways and wireless charging systems will further bolster the green credentials of our transport system. Public transportation too, will see a quantum leap with high-speed rail networks and electric buses becoming the norm rather than exception.Secondly, we anticipate a paradigm shift towards intelligent and connected transportation systems. The advent of self-driving cars, propelled by AI and IoT technologies, promises safer, more efficient journeys. Vehicles will communicate with each other and with infrastructure, predicting traffic conditions, reducing congestion, and optimizing routes for seamless travel experiences. In addition, Mobility-as-a-Service (MaaS) models will allow users to plan, book, and pay for multiple modes of transport using a single platform, thereby promoting integrated and multimodal transportation solutions.Thirdly, aerial and subterranean innovations are poised to disrupt traditional modes of transport. Personal air vehicles or flying cars, alongside drone taxis, may become viable options for urban commuters, relieving roadcongestion and significantly shortening travel times. Meanwhile, Hyperloop technology and underground tunnel systems could revolutionize long-distance travel by offering high-speed, vacuum-sealed pod transit between cities.Fourthly, space travel, once confined to the realms of science fiction, is gradually transitioning into reality. Commercial space flights for both cargo and passengers are being developed by pioneering companies, which could eventually lead to interplanetary colonization and tourism. This would not only expand the horizons of transportation but also foster new industries and opportunities.Lastly, accessibility and inclusivity are integral components of future transportation. Technological advancements should cater to all segments of society, including those with disabilities and elderly citizens. Smart wheelchair designs, driverless vehicles designed specifically for the disabled, and advanced navigation aids will ensure that no one is left behind in this transport revolution.In conclusion, the future of transportation is multifaceted and promising. It envisions a world where sustainability harmonizes with innovation, where technology seamlessly integrates into our daily commute, and where every individual enjoys equal access to efficient and eco-friendly transport options. However, this vision requires concerted efforts from policymakers, innovators, and the public alike to ensure its realization. As we march towards this exciting future, it's crucial to remember that while the destination is important, the journey itself – how we get there – will define the quality of life in the years to come.Word Count: 569 words(For a longer version, each point can be expanded upon to include detailed examples, statistics, potential challenges, and policy implications.)。

考研英语二高频词汇表

考研英语二高频词汇表

考研英语二高频词汇表一、人文社科类1. 人文主义 humanism2. 文化 culture3. 文明 civilization4. 宗教 religion5. 哲学 philosophy6. 历史 history7. 价值观 values8. 传统 tradition9. 习俗 custom10. 社会 society二、经济贸易类1. 经济 economy2. 贸易 trade3. 商业 business4. 金融 finance5. 投资 investment6. 股票 stock7. 证券 securities8. 贸易战 trade war9. 关税 tariff10. 自由贸易 free trade三、自然科学类1. 科学 science2. 技术 technology3. 物理学 physics4. 化学 chemistry5. 生物学 biology6. 天文学 astronomy7. 地理学 geography8. 环境 environment9. 自然 natural10. 实验 experiment四、先进科技类1. 人工智能 AI2. 机器学习 machine learning3. 大数据 big data4. 云计算 cloud computing5. 物联网 IoT6. 区块链 blockchain7. 量子计算 quantum computing8. 5G 5G technology9. AR/VR technology AR/VR technology10. 网络空间 cyberspace五、法律政治类1. 法学 law2. 法律 law3. 政治 politics4. 国际关系 international relations5. 宪法 constitution6. 法庭 court7. 犯罪 crime8. 监狱 prison9. 社会问题 social problem10. 国际政治 international politics六、社会热点类1. 教育 education2. 就业 employment3. 医疗 healthcare4. 住房 housing5. 贫困 poverty6. 性别平等 gender equality7. 食品安全 food safety8. 社会公正是 social justice9. 人口 population10. 城市化 urbanization七、日常交际类1. 交流 communication2. 友谊 friendship3. 家庭 family4. 爱情 love5. 礼貌 politeness6. 道歉 apology7. 感谢 gratitude8. 邀请 invitation9. 道别 farewell10. 介绍 introduction八、环保能源类1. 环保 environmental protection2. 气候变化 climate change3. 污染 pollution4. 可再生能源 renewable energy5. 节能 energy conservation6. 低碳生活 low-carbon life7. 可持续发展 sustainable development8. 生态保护 ecological protection9. 绿色出行 green transportation10. 节能减排 energy conservation and emission reduction九、企业管理类1. 管理 management2. 企业 enterprise3. 战略 strategy4. 组织 organization5. 领导 leadership6. 控制 control7. 创新 innovation8. 营销 marketing9. 品牌 brand10. 人力资源管理 human resources management十、人生哲理类1. 人生观 outlook on life2. 价值观 values3. 成功 success4. 失败 failure5. 奋斗 struggle6. 勇气 courage7. 毅力 perseverance8. 坚持 persistence9. 乐观 optimism10. 感恩 gratitude十一、抽象思维类1. 真理 truth2. 智慧 wisdom3. 知识 knowledge4. 想象力 imagination5. 创造力 creativity6. 直觉 intuition7. 思维方式 way of thinking8. 理性 rationality9. 感性 sentimentality10. 思维方式 mode of thinking十二、生活感悟类1. 幸福 happiness2. 快乐 joy3. 痛苦 pain4. 孤独 loneliness5. 享受享受法 enjoyment6. 感激感激意 appreciation7. 希望 hope8. 失望 disappointment9. 梦想 dream10. 心态 state of mind在备考考研英语二的过程中,理解和掌握这些高频词汇对于提高阅读理解能力、增强写作表达能力、提升翻译水平都有很大帮助。

地理专业词汇英语翻译(M)

地理专业词汇英语翻译(M)

地理专业词汇英语翻译(M)地理专业词汇英语翻译(M)地理专业词汇英语翻译(M)maar低平火山口macedonite方假象橄玄岩maceration浸渍machine proof开印样macro aggregate大团聚体macroclimate大气候macroclimatology大气候学macrometeorology大气象学macromolecule大分子macrophage巨噬细胞macrophyte大型植物macroplankton大型浮游生物macroporosity大孔隙度macrorelief大区地形macrotherm高温植物maelstrom大涡流mafite镁铁矿物magazine暗匣magenta contact screen品红接触网目片maghemite磁赤铁矿magma岩浆magma chamber岩浆储源magma reservoir岩浆储源magmatic assimilation岩浆同化酌magmatic differentiation岩浆分异酌magmatic evolution岩桨进化magmatic migration岩浆迁移magmatic rock岩浆岩magmatic segregation岩浆分结酌magmatic water岩浆水magmatism岩浆酌magnesian limestone含镁石灰岩magnesian skarn镁质夕卡magnesioferrite镁铁矿magnesite菱镁矿magnesite deposit菱镁矿床magnesium镁magnetic action磁酌magnetic amplifier磁放大器magnetic anisotropy磁力蛤异性magnetic attraction磁吸引力magnetic axis磁轴magnetic azimuth磁方位角magnetic bearing磁方位magnetic chart磁力线图magnetic course磁针方向magnetic data carrier磁数据载体magnetic declination磁偏角magnetic declination diagram磁偏角略图magnetic deflection磁致偏转magnetic deviation磁力差magnetic domain磁畴magnetic equator地磁赤道magnetic field磁场magnetic flux磁通量magnetic hysteresis磁滞magnetic leakage磁漏magnetic meridian磁子午线magnetic moment磁矩magnetic needle磁针magnetic north磁北magnetic orientation磁针定向magnetic permeability导磁系数magnetic polarity磁极性magnetic polarization磁极化magnetic pole磁极magnetic potential磁位magnetic prospecting磁法勘探magnetic recording磁记录magnetic spin quantum number磁自旋量子数magnetic storm磁暴magnetic stratigraphy古地磁地层学magnetic survey地磁测量magnetic susceptibility磁化率magnetic tape drive磁带机magnetic tape unit磁带机magnetic theodolite罗盘经纬仪magnetic variation磁变magnetite磁铁矿magnetization of rocks岩石磁化magnetizing force磁化力magnetograph地磁记录仪magnetometer磁力计magnetomotive force磁通势magnetosphere磁圈magnification factor放大倍数magnifier放大镜magnifying glass on a stand分划放大镜magnitude of earthquake地震强度main divide种水岭main element知素main fault窒层main fold洲皱main group element皱元素main river主main root柱main stream主main valency舟main water table地下水面maize玉米major elements知元素major profile知剖面major quadrat样地major semi axis长半轴makite无水碱芒硝malachite孔雀石malaria plasmodium三日疟原虫malleability展性malnutrition营养不足mammalia哺乳纲mammals哺乳纲mammatus cloud乳房状云mammoth猛犸象man and biosphere program人与生物圈计划man induced climatic change人为气候变化man made deposits人工堆积物man made geologic hazard人为地质灾害man made pollution人为污染man made pollution sources人为污染源man made screen人工遮障man made soil人为土壤management information system信息管理系统manganapatite锰磷灰石manganblende硫锰矿mangandolomite锰白云石manganese锰manganese bacteria锰细菌manganese concretion锰结核manganese deposit锰矿床manganese nodules锰结核manganese pollution锰污染manganite水锰矿manganocalcite锰方解石manganosite方锰矿mangrove红手mangrove marsh红手沼泽mangrove soil红手沼泽土mangrove swamp红视泽manipulation操作mannagrass meadow甜茅草甸manned spacecraft载人飞船manner方法manometer压力计mantle地幔mantle of glacial drift冰碛物覆盖mantle rock风化层manual hill shading手工晕渲法manual tracking digitizer手扶跟踪数字化仪manure肥料manured fallow施肥休闲manuring施肥manuscript record of a topographic survey地形测量原图map地图map accuracy地图精度map analysis地图分析map arrangement地图配置map assemblage地图拼贴map bibliography地图目录map cataloguing地图编目map characterized by form of function合成地图map collection地图收集map compilation地图编制map content地图内容map correction地图审校map data base地图数据库map design地图设计map editing地图编辑map electrostatic reproduction地图静电复印map elements地图要素map engraving刻图map error地图误差map exhibition地图展览map extract地图片断map face图幅面积map features地图要素map folding地图折叠map for visual effect显示特定对象图map format图幅尺寸map inset地图插图map interlinking接图map interpretation读图map into book插图map issue地图发行map lettering地图注记map margin图廓map matching guidance地图匹配制导map measurement地图量算map measurer测距仪map nomenclature地图编号map of mineral deposits矿产图map of primitive data原始材料图map of walkers徒步旅游图map overlay分色透眉map paper地图纸map printing地图印刷map printing colors地图印刷颜色map production地图生产map projection地图投影map projection distortion地图投影变形map projection transformation地图投影变换map proof checking地图审校map publishing house地图出版社map reading读图map reliability地图可靠性map representing cartometric measurements地图量测图map reproduction地图制印map revision地图更新map room地图资料室map scale地图比例尺map sections地图片断map series地图系列map set接图表map sheet地图图幅map specification地图设计书map storage地图保管map style地图类型map subject制图对象map subtitle副图名map symbol地图符号map title图幅标题map title in bibliographies目录的地图名称map trimming地图切齐map type地图种类map with fluorescent colouring荧光地图maple forest槭村林mapping agency制图部门mapping control survey图根测量mapping from remote sensing image遥感图象制图mapping of landscapes景观制图maquis马魁群落marble大理石marbleization大理岩化marcasite白铁矿march三月mareograph自记湖汐计margalitic soils热带火山灰土marginal distribution边缘分布marginal geosyncline副地槽marginal information图廓资料marginal joint边缘节理marginal schistosity边缘片理marginal sea边缘海marginal zone边缘带marine algae海藻类marine bacterium海洋细菌marine biology海洋生物学marine charting海图制图marine charts海图marine climate海洋气候marine climatology海洋气候学marine deposit海洋沉积marine environment海洋环境marine erosion海蚀marine facies海相marine fronts海洋锋marine geochemical prospecting海洋地球化学探矿marine humus海成腐殖质marine iron manganese deposit海洋铁锰矿床marine map海图marine marsh海滨湿地marine meteorology海洋气象学marine microorganism海洋微生物marine peneplain海蚀准平原marine pollution海洋污染marine products海产物marine sediment海洋沉积marine soil海成土marine terrace海阶marine transport海运marine transportation海运maritime air mass海洋气团maritime pine scale海岸松干蚧maritime polar air mass极地海洋气团mark测标marking标示marks of direct vegetation interpretation植被直接判读标志markstone标石marl泥灰岩marly soil泥灰质土壤marsh湿地marsh border soil沼泽边缘土壤marsh gas沼气marsh peat沼泽泥炭marshland沼泽地marshy iron manganese deposit沼泽铁锰矿床marshy waste land沼泽荒地mask蒙版masking蒙片法masonry dam石坝mass action law质量酌定律mass curve累积曲线mass flowmeter质量量计mass growth生长量mass movement块体运动mass number质量数mass selection混合选种mass separation质量分离mass separator质量分离器mass spectrograph质谱仪mass spectrographic method质谱法mass spectrometer质谱分析器质谱仪mass spectrometry质谱术mass spectrum质谱mass transfer质量传递massif地块massive coal块煤massive ore deposit块状矿床massive structure整块结构master factor知因素master index铸mat草席mathematical base of map地图的数学基础mathematical cartography数学制图学mathematical climate数理气候mathematical climatology数理气候学mathematical ecology数理生态学mathematical expectation数学期望mathematical geography数理地理mathematical geology数学地质mathematical model数学模型mathematical model of map地图数学模式mathematical programming数学程序设计mathematical statistics数理统计mathematization数学化matter of soil土壤物质matting打毛maturation成熟mature forest成熟林mature valley壮年谷maturity壮年期maximum最大值maximum allowable concentration最大容许浓度maximum depth最大深度maximum discharge最大量maximum error最大误差maximum flow最大量maximum level最大水位maximum permissible dose最大允许剂量maximum stage最大水位maximum temperature最高温度maximum thermometer最高温度表maximum valency最高价maximum water holding capacity最大持水量maximum wind speed最大风速meadow草甸meadow chernozem草甸黑钙土meadow cultivation草地栽培meadow peat草甸泥炭meadow soil草甸土meadow steppe草甸草原meadow swamping草甸沼泽化meagre clay瘦粘土meagre coal贫煤mealy sand粉砂mean annual precipitation年平均降雨量mean annual temperature年平均温度mean depth平均水深mean deviation平均偏差mean geodesic curvature平均测地曲率mean high water level平均高水位mean life平均寿命mean line二等分线mean monthly discharge月平均量mean monthly water level月平均水位mean pole平极mean scale平均比例尺mean sea level平均海平面mean size平均直径mean solar day平均太阳日mean solar time平均太阳时mean square deviation均方差mean square error均方误差mean sun平太阳mean temperature平均温度mean value平均值mean value theorem平均值定律mean velocity平均临mean water level平均水位mean wind velocity平均风速meander河曲meander belt曲柳meander loop型河床meandering弯曲化measure度量measured value观测值measurement测量measurement amplifier测量放大器measurement arrangement测量设备measurement data测量数据measurement device测量设备measurement of area面积测量measurement of elevation仰角测量measurement process测量过程measuring equipment测量设备measuring instrument测量仪器measuring mark测标measuring precision of angle测角精度measuring tape卷尺measuring weir量水堰mechanical analysis机械分析mechanical barriers机械壁垒mechanical dispersion halos机械分散晕mechanical enlargement机械放大mechanical migration机械的迁移mechanical properties机械特性mechanical weathering机械风化mechanism机构mechanism of a reaction反应机制mechanism of remote sensing遥感机理medial moraine中碛median中线median massif中间地块median plane正中面medical cartography医用地图学medical climatology医疗气候学medical ecology医学生态学medical geography医用地理学medical meteorology医疗气象学medical radiology医学放射学medical statistics医用统计学medicaments药物medicinal plant药用植物mediterranean climate地中海气候mediterranean fruit fly地中海实蝇mediterranean region地中海区medium介质medium grained sand中粒砂medium grained texture中粒结构medium level clouds中层云medium scale maps中比例尺地图medium silt中粉粒medium structure中等结构medium texture中等质地medium volatile bituminous coal焦煤medmontite铜蒙脱石mega plates大板块megaanticlinorium大复背斜megameter百万米meganticline大复背斜megarelief大地形megasyncline大向斜megasynclinorium大复向斜megatherm高温植物melaconite土黑铜矿melange混杂堆积物melanocratic rock暗色岩melilite basalt黄长玄武岩melilitite黄长岩mellite蜜蜡石mellow soil熟土mellowness松软度melt water雪水melting融化meltwater溶雪水membrane薄膜membrane current膜电流membrane potential薄膜电位memory记忆mendelevium钔menilite硅乳石meniscus汞柱的弯液面mercator's projection墨卡托投影merchantable ore可采矿石mercury汞mercury barometer水银气压表mercury deposit汞矿床mercury pollution汞污染mercury rash汞皮疹mercury thermometer水银温度表mercury vapor survey汞蒸汽测量mere池沼meridian line子午线meridian plane子午面meridional circulation经向环流meridional ellipse子午椭圆meridional zone子午带meristem分生组织mesa方山mesh analysis筛析mesh size筛网孔径mesh structure网状结构mesitite铁菱镁矿mesobar中间气压mesoclimate中尺度气候mesoclimatology中尺度气候学mesogeosyncline中等地槽;陆间地槽mesolithic age中石票代mesometeorology中尺度气象学mesopause中层顶mesophilous forest中温林mesophyll叶肉mesophytes中生植物mesopilous organisms中温生物mesorelief中地形mesoscale eddy中尺度涡流mesosphere中圈mesostasis最后充填物mesotherm plant中温植物mesothermal deposit中温热液矿床mesotrophic plants半自养植物mesotrophy中等营养mesoxerophytes中旱生植物mesozoic era中生代mesozoic folding中生代褶皱messelite磷钙铁矿metabasite变基性岩metabiosis后继共生metabolic disturbance代谢紊乱metabolism代谢酌metabolism velocity代谢速度metacartography形而上制图学metacinnabarite黑辰砂矿metacrystal斑状变晶metadiabase变辉绿岩metagenesis世代交替metagneiss变片麻岩metahalloysite变水高岭土metalimnion变温层metallic bond金属键metallic cation saturation金属阳离子饱和metallic element金属元素metallic lustre金属光泽metallogenic element成矿元素metallogenic factors成矿因子metallogenic maps成矿图metallogenic province成矿区metallogenic unit成矿单位metallogeny矿床成因论metalloid准金属metallometric survey金属量测量metallometry金属量测量metamict minerals结晶变异矿物metamorphic aureole变质圈metamorphic belt变质带metamorphic differentiation变质分异metamorphic diffusion变质扩散metamorphic facies series变质相系metamorphic ore deposit变质矿床metamorphic rock变质岩metamorphic schists变质片岩metamorphism变质酌metamorphogenic deposits变质矿床metamorphosis变态metasomatic deposit交代矿床metasomatism交代酌metasome交代矿物metastable state亚稳状态metazoa后生动物meteor燎meteor crater陨石坑meteoric dust燎埃meteoric water天落水meteorite陨石meteorogram气象记录图meteorograph气象计;气象记录仪meteoroid宇宙尘meteorological acoustics气象声学meteorological chart气象图meteorological element气象要素meteorological information气象情报meteorological insturment气象仪器meteorological message天气报告meteorological observation气象观测meteorological observational tower气球观测塔meteorological observatory气象台meteorological optical range气象光学距离meteorological optics气象光学meteorological phenomenon气象现象meteorological radar气象雷达meteorological rocket气象火箭meteorological satellite气象卫星meteorological thermodynamics气象热力学meteorological tide气象潮meteorological visibility range气象能见距离meteorology气象学meteorometry气象测定学meteorotropism气候铅性methane bacteria甲烷细菌method方法method of analogue类比法method of angle observation in all combination全组合测角法method of areas面积法method of cartographic representation地图表示法method of cartographic symbols地图符号法method of direct coordinate直角坐标法method of direct observation直接观测法method of direction observation in rounds全圆测回法method of indirect observation间接观测法method of induction归纳法method of iteration迭代法method of least squares最小二乘法method of measurement测量方法method of neutron activation中子话化法method of polar coordinates极坐标法method of representation by means of cartographic symbols地图符号法method of successive corrections逐渐改正法methyl violet甲基紫metrophotography摄影测量学mica schist云母片岩micaceous iron ore云母铁矿micagneiss云母片麻岩micelle胶束micrinite碎片体micro altimeter微高度计micro nutrient微量营养元素microanalysis微量分析microanalyzer微量分析器microanemometer微风速器microbalance微量天平microbarograph自记微气压计microbe微生物microbial oxidation微生物氧化microbial prospecting微生物勘探microbiological anomaly微生物异常microbiology微生物学microchemical analysis微量化学分析microcinematography显微电影术microclimate小气候microclimate of mire沼泽小气候microclimatology小气候学microcline微斜长石microcrystalline structure微晶型结构microcrystalline texture微晶质结构microdensitometer侧微密度计microdensitometry微密度测定microelement痕量元素microenvironment微环境microevolution微进化microfauna微动物区系microfissure微裂隙microflora微生物群落microfossils微体化石microgeography微观地理学microgeomorphology微地貌学microgranite微花岗岩microhabitat小环境microhydrology微水文学microlite微晶microlithotype of coal显微煤岩类型micromanipulation显微操作micrometeorograph微气象记录仪micrometeorology微气象学micrometer测微计micrometer microscope测微显微镜micrometer value测微浦划值microoceanography微海洋学microorganism微生物micropaleontological method微体古生物法micropaleontology微古生物学micropedology微土壤学microphylly小叶microphysiography显微地文学microplankton小型浮游生物microplate微板块micropluviometer微雨量计micropolarimeter测微偏振计micropopulation微生物群microporosity微孔隙度microprocessor微处理机microradiography显微射线照相术microradiometer显微辐射计microrelief小地形microscope显微镜microscopic analysis显微分析microscopic theodolite读数显微镜经纬仪microscopy显微镜检查microsection薄片microseismic movement微震microseismic region微震区microseisms微震microskeleton微骨架microsome微粒体microspectrophotometry微量分光光度测定法microsporangium小孢子囊microspore小孢子microstructure微结构microtherm低温植物microtome切片机microtopography微地形学;小地貌microwave altimeter微波测高计microwave hologram radar微波全息雷达microwave holography微波全息microwave image微波影像microwave radar image matching guidance微波雷达图像匹配制导microwave radiation from sea surface海面微波辐射microwave radiometer微波辐射计microwave remote sensing微波遥感microwave scattering微波散射microwave sounding微波测深microwave spectrometer微波频谱仪mid gley soil中位潜育土mid ocean ridge大洋中背middle atmosphere中层大气middle clouds中云middle course中游middle infrared亳米波辐射图像匹配制导middle latitudes中纬度middle mountains中山midnight午夜migma混合岩浆migmatite复片麻岩migmatite front混合岩前缘migmatization混合岩化migration迁移migration contrast迁移对照migration environment移动某质migration length迁移长度migration of elements元素的迁移migratory anticyclone移动性反气旋migratory bird候鸟migratory cyclone移动性气旋migratory fishes回游鱼类mild climate温和气候mild humus熟腐殖质mildly alkaline soil轻度碱性土壤mile英里military base军事基地military cartography军事制图学military geography军事地理学military geology军事地质学military grid reference system军事格网参考系military industrial target军事工业目标military intelligence军事情报military interpretation军事判读military map军用地图military sketch军用略图military target军事目标military topography军事地形学milk ripe stage乳熟期millibar毫巴milligram equivalent毫克当量millimeter wave radiation chart matching guidance毫米波辐图像匹配制导miloschite蓝高岭石mimetesite砷铅矿mimetite砷铅矿minable seam可采煤层minamata disease水俣病mine矿山mine concession矿田mine damage矿害mine drainage pollution矿山排水造成的污染mine plan矿山平面图mine survey矿山测量mine surveying instrument矿山测量仪器mine surveyor矿山测量员mine waste water矿山废水mine water矿水mine working矿山巷道miner's hammer矿工锤mineragenetic epoch成矿时代mineragenetic province成矿区mineral矿物mineral acid soil矿物质酸性土mineral assemblage矿物共生mineral association矿物聚合mineral chemistry矿物化学mineral composition矿物成分mineral constituents矿物组成分mineral deposit矿床mineral dye矿物颜料mineral equilibrium矿物平衡mineral facies矿物相mineral filler矿物填料mineral manure矿质肥料mineral manure theory矿物肥料说mineral matter矿物质mineral metabolism矿质代谢mineral nutrition矿质营养mineral oil矿油mineral paragenesis矿物共生mineral parent rock矿质母岩mineral physics矿物物理学mineral pigments矿物性颜料mineral reserves矿藏mineral resources矿物资源mineral soil矿质土壤mineral spring矿泉mineral water矿泉水mineralforming element造矿元素mineralization成矿酌mineralized belt矿化带mineralizing agent矿化剂mineralizing solution矿化溶液mineralogical phase rule矿物相律mineralogy矿物学minerogenetic map成矿规律图minerogenetic prognostic map成矿预测图miniature potential微小电位minicomputer小型计算机minimonitor微型监察器minimum area最小面积minimum detectable temperature difference最小可探测温差minimum flow最小量minimum information method最小信息法minimum mining content最小可采品位minimum temperature最低温度minimum thermometer最低温度表minimum workable grade最低可采品位mining采矿mining compass矿山罗盘mining geodesy矿山测量学mining geology矿山地质学mining wastes采矿废弃物mining wastewater采矿废水minium铅丹minor bed枯水河床minor element微量元素minor features小地形minor joint小节理minute folding细褶皱miocene中新世miogeosyncline冒地槽miracle rice奇迹般的稻mirage蜃景mire沼泽退化;软泥mire classification沼泽分类mire distribution沼泽分布mire drainage沼泽排水mire indicator plant沼泽指示植物mire landscape沼泽景观mire microgeomorphology沼泽微地貌mire plant沼泽植物mire resources沼泽资源mire runoff沼泽径流mire science沼泽学mire vegetation沼泽植被mirror image镜像mirror stereoscope反光立体镜missourite白榴橄辉岩mist轻雾mistral密史脱拉风mixed cloud混合云mixed coniferous broad leaved forest针阔叶混交林mixed crystal混合晶mixed fertilizer混合肥料mixed forest混交林mixed forest zones混交林带mixed pine forest with decidous tree落叶噬混交林mixed pixel混合象元mixed rendzina混合黑色石厌土mixed spruce forest with limetree椴势杉混交林mixed tide混合潮mixing fog混合雾mixing of soils撒布肥土mixing ratio混合比mixolimnion混成层mobile belt活动带mobile soil colloids怜性土壤胶体mobility移动性mobilization活化modal analysis实际分析modal composition实际矿物成分mode实际矿物成分mode of life生活方式model模型model deformation模型扭曲model test模型试验modelling of relief地形模型moder中度腐殖质moderate alkalinity中等碱度moderate breeze和风moderate rain中雨modification诱发变异modulation变调modulation index灯指数modulation transfer function灯传递函数module模数mofette碳酸喷气孔mohorovicic's discontinuity莫霍界面mohs hardness scale莫氏硬度表mohs scale莫氏硬度表moire波纹moire effect莫阿干涉效应moist adiabatic change湿绝热变化moist air湿空气moist district湿润地带moist labile energy湿不稳定能moist lability湿不稳定moist meadow湿草甸moist semi deciduous tropical forest潮湿半落叶热带林moist soil湿润土moisture湿气moisture budget水分平衡moisture capacity持水量moisture content水分含量moisture equivalent持水当量moisture holding capacity持水量moisture index水分指数moisture meter湿度计moisture percentage湿度百分数moisture profile水分剖面moisture retention capacity持水量moisture tension水分张力mol克分子molality克分子浓度molar concentration克分子浓度molar fraction克分子分数molar solution克分子溶液molasse磨砾层mole drainage鼠道排水mole hill田鼠丘mole parrag田鼠丘molecular attraction分子引力molecular bond分子键molecular colloid分子胶体molecular compound分子化合物molecular diagram分子模型图molecular diffusion分子扩散molecular energy level分子的能级molecular evolution分子进化molecular ion分子态离子molecular orbit分子轨道molecular polarity分子极性molecular polarizability分子极化率molecular ratio分子比率molecular solution分子溶液molecular spectrum分子光谱molecular structure分子结构molecular weight分子量molecule分子molinia meadow沼茅草甸mollic andosols松软暗色土mollic epipedon松软表层mollic gleysols松软潜育土mollic greyzems松软灰色森林土mollic planosols松软粘磐土mollic solonchaks松软盐土mollic solonetz松软碱土mollisol软土mollusca软体动物mollweide's projection摩尔魏德投影molybdenum钼molybdenum deposit钼矿床molybdenum polution钼污染molybdite钼华monadnock残丘monazite独居石monazite sand独居石砂monimolimnion永滞层monitor监测器监视器monitor unit监视器monitoring监视monitoring for water pollution水污染监测monitoring of grass diseases牧草病害监测monocarp一次结实植物monochromatic light单色光monochromatic transmittance单色透过率monoclinal valley单斜谷monocular vision单眼观察monocyclic landscape单旋回地形monocyclic relief单循环地形monocyclic river单旋回河monoecism雌雄同株monogenetic volcanoes单成火山monogeosyncline狭长地槽monolith整段标本monomolecular film单分子层monophagous animals单食性动物monophotogrammetry单象摄影测量学monosaccharide单糖monothermite单热石monsoon季风monsoon climate季风气候monsoon climate of medium latitudes温带季风气候monsoon currents季风洋流monsoon forest季雨林monsoon mixed forest zones季雨混交林带monsoon rainfall季风降水monsoon season季风季节montage镶嵌montane zone山地带monthly total precipitation月降水量monticellite钙镁橄榄石montmorillonite蒙脱石montmorillonitic clay蒙脱石粘土montmorillonitization蒙脱石化monumented point标尺点monzonite二长岩moon atlas月面图集moon cross测月十字丝moon map月面图moon's eclipse月食moonstone月长石moor沼泽moor soil沼地土壤moorland泥沼地mor酸性粗腐殖质morainal lake冰碛湖moraine冰碛moraine landscape冰碛景观moraine soil冰碛土morainic clay冰碛粘土morainic debris冰碛岩屑morainic deposit冰碛沉积mordenite丝光沸石morphallaxis变形再生morphogenesis形态发生morphologic province地貌区morphological analysis形态分析morphological map地势图morphology形态学morphometric maps形态测定图morphometry形态测定morphostructure形态结构mortality atlas死亡率地图集morvan准平原面交切mosaic镶嵌mosaic assembly照片嵌拼图mosaic soil镶嵌土壤mosaic structure嵌镶构造moss藓类moss bog藓类沼泽moss cover苔藓类被moss land苔藓地moss lichen tundra苔藓冻原moss peat藓类泥炭mosses苔藓植物mother liquor母液mother rock母岩motion运动motivation动机mottle斑点mottling斑点mould霉菌mould fungi霉菌mountain and valley breezes山谷风mountain breeze山风mountain brown forest soil山地棕色森林土mountain chain山脉mountain chestnut soil山地栗钙土mountain climate山岳气候mountain farming山地农业mountain fog山雾mountain forest podzolized soil山地森林灰化土mountain forest soil山地森林土mountain forest zone山地森林带mountain glacier高山冰川mountain knot山结mountain lake山地湖mountain landscape山地景观mountain meadow soil山地草甸土mountain meadow steppe soil山地草甸草原土mountain meal岩粉mountain meteorology高山气象学mountain peat soil山地泥炭土mountain range山脉mountain river山溪mountain soils山地土壤mountain station山岳气象站mountain steppe soil山地草原土mountain stream山区河流山溪mountain system山系mountain torrent山区河流mountain tundra高山冻原mountain tundra belt高山冻原带mountain waste荒山mountain xerophytes山地旱生植物mountain zone山地带mountainous mire山地沼泽mountains山地movable barrage活动坝moving移动moving average滑动平均moving average method移动平均法moving dunes怜沙丘muck soil黑泥土muck warp soil腐泥冲积土mud泥mud crack干裂mud flow泥流mud flow deposits泥裂积层mud fluid泥浆mud land torrent石洪mud lava泥熔岩mud soil淤泥土mud volcano泥火山muddiness污浊mudstone泥板岩mudtheraphy泥疗法mugearite橄榄粗面岩mulberry桑树mulch覆盖层mulched ground被覆盖土壤mulching复盖mulching soil覆盖土壤mullite莫来石multi channel system多通道系统。

英语作文交通工具的变化

英语作文交通工具的变化

英语作文交通工具的变化The transformation of transportation systems over time is a striking testament to human ingenuity and technological progress. From the rudimentary means of movement in ancient times to the sophisticated vehicles that dominate our modern landscapes, this evolution has been profound and multidimensional, shaping societies, economies, and environments in myriad ways.In the dawn of civilization, humans relied on their own feet and domesticated animals for mobility. Horses, donkeys, and camels were essential in traversing vast distances, facilitating trade, and expanding empires. The invention of the wheel around 3500 BC marked a pivotal turning point, enabling the creation of carts, chariots, and wagons, significantly increasing load capacity and travel speed. However, these early modes of transport were limited by terrain, weather, and the endurance of both humans and beasts.The Industrial Revolution marked a quantum leap in transportation. Steam power, harnessed initially in locomotives and steamships, revolutionized long-distancetravel and cargo transport, connecting continents and fostering globalization. Concurrently, the bicycle emerged as an affordable and efficient personal transport option, empowering individuals and promoting health. The late 19th century witnessed the birth of the automobile and the airplane, powered by internal combustion engines, forever altering the pace and scope of human mobility. These innovations not only compressed time and space but also redefined urban planning, spawning the era of mass suburbanization and highway infrastructure.The latter half of the 20th century saw further advancements, including the advent of supersonic commercial flights, high-speed rail networks, and space shuttles, pushing the boundaries of speed and distance. Moreover, the introduction of electric and hybrid vehicles, driven by concerns over environmental sustainability and energy security, signaled a shift towards cleaner, greener transport. In recent years, autonomous vehicles and drones have emerged, promising unprecedented convenience, safety, and efficiency.This evolution has had profound socioeconomic implications. Enhanced mobility has stimulated economicgrowth by facilitating trade, resource extraction, and labor migration. It has fostered cultural exchange, promoting understanding and unity among diverse populations. However, it has also contributed to urban congestion, air pollution, climate change, and habitat fragmentation. Furthermore, unequal access to transportation can exacerbate social inequalities, as those without reliable transport may face barriers to education, employment, and healthcare.The environmental impact of transportation cannot be overstated. While early modes had minimal ecological footprints, the mass adoption of fossil fuel-powered vehicles has led to significant greenhouse gas emissions and local air pollution. The quest for sustainable alternatives, such as electric vehicles, hydrogen fuel cells, and public transit systems, reflects a growing recognition of the need for eco-friendly transport solutions.Technological advancements have not only transformed the vehicles themselves but also the way we interact with them. Digital platforms now enable real-time route planning, ride-sharing, and vehicle tracking, enhancingconvenience and efficiency. Moreover, the integration of artificial intelligence, Internet of Things, and big data analytics promises to optimize traffic flow, reduce accidents, and personalize commuting experiences.In conclusion, the evolution of transportation is a multifaceted narrative of human progress, encompassing technological breakthroughs, societal transformations, and environmental challenges. As we continue to innovate, it is crucial that we strike a balance between enhancing mobility and mitigating its negative impacts, ensuring that our transportation systems serve as catalysts for sustainable development and equitable societies. By embracing cleaner technologies, promoting efficient infrastructure, and fostering inclusive access, we can chart a future where transportation propels us towards a more connected, prosperous, and environmentally responsible world.。

Quantum 电动轮椅保修说明书

Quantum 电动轮椅保修说明书

WarrantyLIFETIME LIMITED WARRANTY For the lifetime of your power chair from the date of purchase, Quantum will repair or replace at our option to the original purchaser, free of charge, any of the following parts found upon examination by an authorized representative of Quantum to be defective in material and/or workmanship:Structural frame components, including: Main frame Fixed-position seat postTWO-YEAR LIMITED WARRANTY For two (2) years from the date of purchase, Quantum will repair or replace at our option to the original purchaser, free of charge, any of the following parts found upon examination by an authorized representative of Quantum to be defective in material and/or workmanship:Electronic components, including: Charger assembly Controller JoystickMain frame assemblies, including: Metal seat framingOther components, including: Electrical harnesses 18-MONTH LIMITED WARRANTY For eighteen (18) months from the date of purchase, Quantum will repair or replace at our option to the original purchaser, free of charge, any of the following parts found upon examination by an authorized representative of Quantum to be defective in material and/or workmanship:Motor/gearbox assembly Power seat actuatorSIX-MONTH LIMITED WARRANTY For six (6) months from the date of purchase, Quantum will repair or replace at our option to the original purchaser, free of charge, any of the following parts found upon examination by an authorized representative of Quantum to be defective in material and/or workmanship:Bearings and bushingsONE-YEAR LIMITED WARRANTY For one (1) year from the date of purchase, Quantum will repair or replace at our option to the original purchaser, free of charge, any of the following parts found upon examination by an authorized representative of Quantum to be defective in material and/or workmanship:Accessories Anti-tip forks Front riggings Caster forks Brakes (electronic function ONL Y) Front rigging mounting brackets Caster beamRev D/December 20182RECONDITIONED UNITS WARRANTY All reconditioned units are covered by a six-month warranty from Quantum effective from the date of purchase.WARRANTY EXCLUSIONS This warranty does not extend to those items which may require replacement due to normal wear and tear.ABS plastic shrouds Brake pads Motor brushes Tires and tubes Upholstery and seating Fuses/bulbsCircumstances beyond the control of Quantum Labor, service calls, shipping, and other charges incurred for repair of the product, unless specifically authorized, IN ADVANCE, by Quantum Repairs and/or modifications made to any part without specific consent from QuantumExclusions also include components with damage caused by: Contamination Abuse, misuse, accident, or negligence Battery fluid spillage or leakage Commercial use or use other than normal Improper operation, maintenance, or storageSERVICE CHECKS AND WARRANTY SERVICE Warranty service must be performed by a Quantum Rehab Provider. Do not return faulty parts to Quantum without prior written authorization. All transportation costs and shipping damage incurred while submitting parts for repair or replacement are the responsibility of the purchaser.Failure to follow the instructions, warnings, and notes in the owner’s manual and those located on your Quantum product can result in personal injury or product damage and will void Quantum’s product warranty.There is no other express warranty.IMPLIED WARRANTIES Implied warranties, including those of merchantability and fitness for a particular purpose, are limited to one (1) year from the date of purchase and to the extent permitted by law. Any and all other implied warranties are excluded. This is the exclusive remedy. Liabilities for consequential damages under any and all warranties are excluded.Some states do not allow limitations on how long an implied warranty lasts or do not allow the exclusion or limitation of incidental or consequential damages. The above limitation or exclusion may not apply to you.This warranty gives you specific rights, and you may also have other rights which vary from state to state.BATTERIES The batteries are covered by a twelve (12) month (1 year) warranty from the original manufacturer.NOTE: Gradual deterioration in performance due to being left in a discharged state, left in cold conditions for long periods of time, or worn out through heavy use is not covered.。

为什么中国创新这么快呢英语作文200

为什么中国创新这么快呢英语作文200

为什么中国创新这么快呢英语作文200China has been at the forefront of innovation in recent years with its rapid advancements in various fields such as technology, renewable energy, and infrastructure. The country's ability to innovate quickly can be attributed to several factors, including its large population, government support, and a culture that encourages risk-taking and entrepreneurship.One of the primary reasons for China's fast-paced innovation is its massive population. With over 1.4 billion people, China has a vast pool of talent and resources that can be harnessed for innovation. The sheer number of people in the country means that there is a large pool of potential innovators, entrepreneurs, and skilled workers who can contribute to the development of new technologies and ideas. This large population also provides a significant domestic market for new products and services, which can further drive innovation and encourage the development of new solutions.Another key factor behind China's innovative prowess is the government's strong support for research and development (R&D)and technological advancement. The Chinese government has made a concerted effort to invest heavily in R&D, with the country's spending on R&D reaching 2.23% of its GDP in 2020, surpassing the global average of 2.15%. This investment has enabled the country to develop cutting-edge technologies in fields such as artificial intelligence, renewable energy, and quantum computing.Moreover, the Chinese government has implemented policies and initiatives that are designed to foster innovation and entrepreneurship. For instance, the country has established numerous technology hubs and innovation parks, such as the Zhongguancun Science Park in Beijing, which provide entrepreneurs and startups with access to resources, funding, and support. The government has also implemented tax incentives and other financial incentives to encourage businesses to invest in R&D and innovation.Another factor that contributes to China's rapid innovation is the country's culture, which encourages risk-taking and entrepreneurship. In China, there is a strong emphasis on education and the pursuit of knowledge, which has fostered a culture of innovation and experimentation. Many Chinese entrepreneurs are willing to take risks and try new ideas, knowing that failure is often seen as a necessary step on the path to success.Furthermore, the Chinese government has been actively promotingthe use of digital technologies and the adoption of emerging technologies, such as 5G, artificial intelligence, and the Internet of Things. This has created a fertile environment for innovation, as businesses and individuals are constantly exploring new ways to leverage these technologies to solve problems and create new products and services.One of the most notable examples of China's innovative prowess is its rapid development of renewable energy technologies. China has become the world's largest producer and consumer of renewable energy, with a particular focus on solar and wind power. The country has invested heavily in the development of these technologies, and has been able to rapidly scale up production and deployment, thanks to its large manufacturing base and strong government support.Another area where China has demonstrated its innovative capabilities is in the field of high-speed rail. China has built the world's largest high-speed rail network, with over 37,000 kilometers of track as of 2021. This massive infrastructure project has not only revolutionized transportation within the country but has also served as a model for other countries looking to develop their own high-speed rail systems.In addition to its technological innovations, China has also been at the forefront of innovations in other areas, such as e-commerce andmobile payments. The country's e-commerce market is the largest in the world, and its mobile payment systems, such as Alipay and WeChat Pay, have become ubiquitous in everyday life.Despite these impressive achievements, China's rapid innovation is not without its challenges. The country has faced criticism over issues such as intellectual property rights, environmental concerns, and the potential for technology to be used for surveillance and control. Additionally, the COVID-19 pandemic has posed significant challenges to the country's innovation ecosystem, disrupting supply chains and forcing businesses to adapt to new ways of working.Nevertheless, China's ability to innovate quickly and at scale has been a key driver of its economic growth and global influence. As the world continues to grapple with complex challenges such as climate change, resource scarcity, and the need for sustainable development, China's innovative capabilities will likely play an increasingly important role in shaping the global landscape.In conclusion, China's rapid innovation can be attributed to a combination of factors, including its large population, government support, and a culture that encourages risk-taking and entrepreneurship. While the country faces certain challenges, its innovative prowess has been a significant contributor to its economicand technological advancement, and will likely continue to shape the global landscape in the years to come.。

穿梭门英语作文400字

穿梭门英语作文400字

穿梭门英语作文400字Teleportation: A Vision of the Future.Teleportation, the science fiction concept of instantly transporting an object or person from one location to another, has long captivated the human imagination. Whileit remains a distant dream in the present day, recent scientific advancements have brought the prospect of teleportation closer to reality.Quantum Entanglement and Quantum Teleportation.The foundation of teleportation lies in the enigmatic phenomenon of quantum entanglement. This occurs when two or more particles become linked in such a way that their states become correlated, even when separated by vast distances. By altering the state of one entangled particle, the state of the other can be instantaneously influenced.Utilizing quantum entanglement, scientists haveachieved teleportation of simple atoms and small molecules. In this process, the properties of the original atom are transferred to a receiving atom, creating an exact replica at the destination without physically transporting the original particle.Challenges and Implications.While impressive, quantum teleportation faces significant challenges before it can be applied to macroscopic objects like humans. The primary obstacle is the loss of quantum coherence, which occurs when entangled particles interact with their environment, causing their correlation to break down.Resolving these challenges would revolutionize transportation, healthcare, and space exploration. Imagine the ability to instantly travel across vast distances, eliminating travel time and overcoming geographical barriers. Teleportation could also facilitate the delivery of medical treatments and extend the reach of space missions by allowing for rapid deployment of equipment andpersonnel.Ethical Considerations.As with any transformative technology, teleportation raises ethical concerns that must be addressed. The ability to instantly transport individuals could potentially lead to security vulnerabilities, privacy breaches, and the potential for crime. Transparent regulations and careful consideration of potential risks are necessary to mitigate these concerns.Conclusion.Teleportation embodies the boundless ingenuity and ambition of human endeavor. While the journey to unravelits complexities and overcome current limitations is arduous, the potential rewards are immeasurable. As we continue to push the frontiers of physics and technology, the vision of teleportation may one day become a reality, profoundly shaping the future of human existence.。

问吴孟超是我国杰出的人物英语作文

问吴孟超是我国杰出的人物英语作文

问吴孟超是我国杰出的人物英语作文全文共5篇示例,供读者参考篇1Wu Mengchao Is an Amazing Person from ChinaHi friends! Today I want to tell you about an awesome person from my country named Wu Mengchao. He was a really smart guy who did lots of cool things. Let me explain why he is so great!First of all, Wu Mengchao was born in 1919 in Wuxi, which is a city in the Jiangsu province of China. When he was a kid, he loved studying science and math. He was such a good student that he got into the best university in China - Tsinghua University in Beijing!At Tsinghua, he studied really hard and learned all about physics and mathematics. He was the smartest student and got straight A's in every class. His professors were super impressed by how brilliant he was. They could tell he would grow up to be a famous scientist one day.After finishing university, Wu Mengchao decided he wanted to learn even more about science. So in 1947, he went all the wayto the United States to study at the California Institute of Technology, which is one of the best science schools in the whole world! There he earned his PhD in physics. Getting a PhD means you are a total expert on a subject after doing tons of research and writing a hugebook about it.Wu Mengchao's research was all about quantum mechanics and quantum field theory. Those are some of the most complicated and advanced ideas in all of physics! Only the smartest scientists can fully understand quantum stuff. But Wu Mengchao was a total genius, so he could easily grasp all the complex math and principles involved. Pretty amazing, right?After getting his PhD, Wu returned to China in 1950. He started working at a top research university in Beijing called the Chinese Academy of Sciences. For decades, he devoted himself to studying advanced physics and mathematics. He made many groundbreaking discoveries and came up with innovative new theories that helped push science forward.Some of Wu Mengchao's key achievements include being one of the pioneers of Yang-Mills theory, which is a crucial part of quantum physics. He also did important work on gauge field theory and fiber bundles, which are very complicated math concepts that even make grown-ups' heads spin! Basically, Wuwas one of the smartest theoretical physicists ever and helped unlock many secrets of the universe.But Wu Mengchao wasn't just an amazing scientist - he was also a brilliant teacher who trained many students over his long career. Hundreds of young people were able to learn from his big brain and expertise. He helped raise up the next generation of great physicists in China. Thanks to his hard work as a professor, China is now a world leader in physics and science!Another cool thing about Wu Mengchao is that he helped bring China to the forefront of international physics research. In the 1970s, he organized meetings and conferences that allowed Chinese scientists to collaborate with colleagues from around the world. This opened up China's physics community and helped it become more integrated with global research efforts after being isolated for a long time.Wu's hard work opening China up to the world paid off bigtime. In 1957, he was elected as a member of the prestigious U.S. National Academy of Sciences - one of the highest honors a scientist can get! He was the first scientist from communist China to be admitted. This showed that the global physics community had huge respect for Wu's intellect and contributions.Later in his career, Wu Mengchao received many other major awards and honors for his incredible work in theoretical physics. In 1992, he won China's highest science prize - the State Preeminent Science and Technology Award. He also won the famous Helmholtz Medal in 1998, which is given out once every four years by the government of Berlin.Wu Mengchao worked tirelessly on studying and teaching physics until the very end of his life. He finally passed away in Beijing in 2008 at the amazing age of 89 years old. But his brilliant mind and research live on forever! Countless scientific discoveries and theories are based on the foundations he helped build.So in summary, Wu Mengchao was one of the greatest scientists and physicists China has ever produced. Despite being born in a small town over a century ago, his genius mind and relentless hard work allowed him to reach the pinnacles of academic achievement. His concepts and calculations unlocked new understandings of quantum physics and tremendously advanced human knowledge.Not only was Wu a world-class researcher, but he nurtured future generations through teaching and internationalizing China's physics community. He represented his nation with prideand honor on the global stage. For all these reasons, Wu Mengchao is rightly celebrated as a true titan of Chinese science and learning.I hope you can see now why I admire Wu Mengchao so much! He is definitely one of the most amazing and important people in my country's history. His story of rising from humble beginnings to becoming a revered genius should inspire all of us kids to dream big and work hard. If we study really hard like Wu did, who knows what great accomplishments we could achieve in science, math, or any other field!Wasn't learning about Wu Mengchao fun? Let me know if you have any other questions. I'm happy I could tell you all about this incredible physicist from China! Thanks for reading my essay!篇2Who is Wumengchao? A Really Great Chinese Person!Hi everyone! Today I want to tell you about a super cool person from China named Wumengchao. He was really smart and did a lot of awesome things. Let me explain why he is so amazing!First of all, Wumengchao lived a really long time ago, back in the 1400s and 1500s. That was during the Ming Dynasty period in China. Despite living so long ago, he accomplished incredible feats that still impact us today. Isn't that wild?Wumengchao was born in 1470 in Zhejiang Province. Even as a young kid, he loved learning and studying hard. His parents encouraged his curiosity about the world. By the time he was a teenager, Wumengchao was already a gifted scholar who knew a ton about science, math, history, and literature. The adults were all super impressed by how smart he was!When Wumengchao grew up, he went to work for the Ming government as a respected official and advisor. The emperors valued his brilliant mind. He counseled them on important policies about trade, agriculture, defense, you name it. Wumengchao made sure the country was being run properly and fairlyfor the people.But Wumengchao's true passion was for science and inventions. Remember, this was centuries before modern technology like we have today. But Wumengchao still managed to create amazing new devices and innovations using just his incredible creativity and problem-solving abilities. Let me tell you about some of the cool things he invented:One of his big breakthroughs was in agriculture and farming methods. Wumengchao figured out new techniques to improve crop yields and irrigation systems. His inventions helped feed more people and reduce famines. Just by being really observant about nature, he revolutionary the way crops were cultivated!Wumengchao also made important developments in maritime navigation and shipbuilding. He studied the oceans, stars, and weather patterns closely. Then he designed improved ships, compasses, and anchors that allowed sailors to travel across the open seas much more safely and accurately than before. Vinventing these naval technologies helped spark China's grand voyages of exploration in the 1400s!Besides agriculture and ships, Wumengchao created cool new tools for SO many other fields too. He madeding woodcutting machines, better looms for weaving cloth, mechanical clocks, pumps for dredging rivers, and even early versions of an earthquake detector! Whenever he saw an opportunity to solve a problem, his brilliant mind would figure out an ingenious solution.Wumengchao's endless curiosity extended far beyond science and machines as well. He authored over 60 books sharing his knowledge on history, geography, astronomy,medicine, and philosophy. His writings preserved so much valuable wisdom and discoveries.You can clearly see why Wumengchao was such an amazing renaissance man! He made groundbreaking contributions to nearly every field of study through his inventions, research, and scholarly writings. Wumengchao's accomplishments had a huge positive impact on people's lives by boosting food production, improving transportation, and spreading knowledge.But unfortunately, despite his renowned status, Wumengchao endured some challenges too. He advocated for bold new policies that didn't always make everyone happy. Sometimes close-minded officials tried to block hisforward-thinking ideas. Wumengchao also faced periods of being forced out of his prestigious government jobs due to political rivalries and jealousy over his fame.Still, through it all, Wumengchao persevered in his pursuits. He never stopped working tirelessly to invent, explore, question, and push the boundaries of human knowledge and capabilities. His resilience in the face of obstacles is truly inspiring!In my opinion, the quality I admire most about Wumengchao was his unquenchable thirst for learning about the world. He was endlessly fascinated by how things worked andstrived to understand every aspect of science, nature, and human society. Instead of just accepting the limits of what was known, Wumengchao constantly experimented to discover new concepts and solve problems in innovative ways.Wumengchao's accomplishments demonstrate how powerful and capable the human mind can be when applied to its fullest through observation, analysis, creativity, and hard work. He is an awesome role model for students like me, showing the incredible breakthroughs that are possible when we commit ourselves to always being curious and never stop asking "Why?"People sometimes call Wumengchao the "Leonard da Vinci of China" since he made so manypioneering contributions across so many different fields, just like the famous European inventor from a similar era. But in my opinion, Wumengchao's range of achievements and tireless work ethic make him more than deserving of being considered a remarkable historical figure in his own right.Wumengchao left an amazing legacy that still provides knowledge and benefits today, over 500 years after he lived! His story reminds me that anyone can accomplish extraordinary things if they have determination, discipline, and a passion forconstantly learning and growing. I hope I can apply some of those same qualities in my own life.Those are the reasons why I think Wumengchao was truly one of the greatest minds and most influential people in all of Chinese history. He made pioneering advances in so many areas of science, literature, exploration, and agriculture through his incredible intellect and effort. I'm super inspired after learning all about Wumengchao's awesome life, and I hope you are too! Let's all follow his example by staying curious, creative, and always striving to expand the frontiers of human knowledge.篇3Who Is Wu Meng Chao? A Great Person From ChinaHi friends! Today I want to tell you about a really cool guy from China named Wu Meng Chao. He was a scientist who lived a long time ago and did some amazing things. Let me explain why he is so great!Wu Meng Chao was born in 1919 in a city called Hangzhou. That's a beautiful place with lots of nice gardens and old buildings. When he was young, Wu Meng Chao was super smart and loved learning about science and math. He went to good schools and studied really hard.In the 1940s, Wu Meng Chao went to college in the United States. He learned all about physics, which is the science of how things move and work. Physics helps us understand everything from throwing a baseball to how stars burn in space! Wu Meng Chao was an excellent student. He earned his doctorate, which is the highest degree you can get.After finishing school, Wu Meng Chao went back to China. At that time, China was not a rich or powerful country yet. There were not many good universities or labs for doing science research. But Wu Meng Chao didn't let that stop him! He rolled up his sleeves and got to work anyway.Wu Meng Chao is famous for being a pioneer in two main areas of physics: gravity research and nuclear physics. Let me explain what those big words mean!Gravity is the force that makes things fall down instead of floating up in the air. Understanding gravity helps scientists send rockets and satellites into space. Wu Meng Chao did lots of experiments and wrote many papers about gravity. His work was groundbreaking, which means it was brand new ideas that no one else had discovered before!Nuclear physics is the study of the tiny particles that make up atoms, which are the building blocks of everything in theuniverse. Learning about atoms is crucial for developing nuclear power, which is a way of making electricity. Wu Meng Chao made major contributions to nuclear physics too. He calculated some really complicated math about how atoms work.Even though he didn't have a lot of fancy equipment or money for his research, Wu Meng Chao worked extremely hard. He spent long hours doing difficult experiments and calculations. Sometimes he had to build his own lab equipment out of ordinary household items because he didn't have proper scientific tools. Isn't that clever?Wu Meng Chao's dedication paid off. He made several important breakthroughs that helped advance the field of physics globally. He wrote over 100 academic papers that were published in prestigious journals around the world. Prestigious means highly respected and admired.Scientists from other countries were so impressed by Wu Meng Chao's brilliant work. They invited him to visit the United States and Europe to give lectures about his research. People were amazed that he could achieve so much while working in poor conditions back in China.In addition to being a brilliant physicist, Wu Meng Chao was also a wonderful teacher. He helped train many students whowent on to become successful scientists themselves. Whenever he wasn't working on his own research, Wu Meng Chao enjoyed explaining complex physics concepts to young people in a simple way they could understand.Wu Meng Chao worked at universities in China for his whole career, continuing his research until he was an old man. He never slowed down or took it easy! Even when he was in his 80s, Wu Meng Chao was still studying and writing new scientific papers. He was that devoted to physics.In his later years, Wu Meng Chao finally started getting the recognition he deserved from China and the rest of the world. He won many prestigious awards and honors for his amazing life's work. In 1998, he was elected to the academies of sciences in China, the United States, and Russia - three of the most elite science organizations on Earth!Sadly, Wu Meng Chao passed away in 2008 when he was 89 years old. But his scientific legacy and all the things he taught people will live on forever. Lots of schools, laboratories, and streets in China have been named after him to honor his memory.I think Wu Meng Chao is an awesome role model for kids like us. He showed that with hard work, curiosity, and perseveranceyou can do anything you set your mind to - even if you don't have a lot of resources or money. Wu Meng Chao used his brilliant brain and never gave up on his dreams of making the world better through science.Just like Wu Meng Chao, each of us has special talents we were born with. We should nurture those talents by studying hard, helping others, and believing in ourselves no matter what obstacles get in our way. If we have role models like Wu Meng Chao to inspire us, I know we can grow up to become great people too!Those are just some of the reasons why Wu Meng Chao was such an extraordinary person from China. He made huge contributions to physics through his dedicated research on gravity and nuclear science. Wu Meng Chao is a hero who showed that with perseverance and passion, one person can change the world!篇4My Hero: Wumengchao, An Amazing Chinese PersonHi everyone! My name is Xiaoming and I'm going to tell you all about my biggest hero, Wumengchao. He was a really reallycool guy who did lots of amazing things for China. I think he's the best Chinese person ever!Wumengchao was born a long long time ago in the year 1904. That was way back over 100 years ago! Can you believe people lived that long ago? Anyways, Wumengchao grew up in a place called Hunan Province. That's down in the southern part of China. I looked it up on a map and it's pretty far away from where I live in Beijing.Even though Wumengchao was just a kid, he was already super smart and good at studying. He worked really really hard at school and got amazing grades. I bet he never forgot to do his homework or goof off in class like some of the kids I know!When Wumengchao was a teenager, he started learning all about science and math and engineering. Those are some of the toughest subjects, but Wumengchao was such a brainiac that he was amazing at them. He especially loved studying about rockets and explosives and stuff like that. I think that's so cool!In 1925, when he was just 21 years old, Wumengchao went to study at this fancy university in Russia called Moscow Sun Yat-Sen University. Can you imagine going to college at age 21? I'll still be in elementary school then! Wumengchao workedsuper duper hard and learned absolutely everything he could about science and technology.After he finished his studies, Wumengchao came back to China. But it was a really tough time in China with wars and fighting going on everywhere. Still, Wumengchao didn't let that stop him! He got a job working on military technology and explosives for the Chinese army. I'll bet he felt like a real action hero!During World War 2, which was this massive war that happened all across the world, Wumengchao did tons of brave and heroic things. He led groups of daring soldiers on secret missions to blow up enemy ammunition dumps. Boom! He also invented new types of explosives and weapons for the Chinese army to use against their enemies. While the evil Japanese soldiers were being big bullies and hurting lots of people, Wumengchao and his friends were striking back at them. What a courageous guy!After the war ended, Wumengchao kept on working really hard on science and technology. He helped start China's rocket program and space program. Because of his efforts, China was able to launch its very first satellite into orbit in 1970. He also did a ton of research into nuclear weapons, missiles, and otherpowerful military technology. Wumengchao made sure China could defend itself and be strong.Wumengchao received so many awards and honors for everything he did, I can't even keep track! He was a real celebrity in China. Millions of people knew his name and looked up to him as a role model. Even today, schools and museums are named after him to remember what an important person he was.In my opinion, Wumengchao is definitely one of the greatest and most amazing people in Chinese history. Here's why I admire him so much:First of all, he was a total genius! Wumengchao was incredibly smart, especially when it came to difficult scientific topics. Even from a very young age, he had a brilliant mind and loved learning. I wish I could be as smart as him!Secondly, Wumengchao was a real patriot who did whatever he could to make China stronger and more powerful. When his country needed him during wars and tough times, he stepped up and worked tirelessly to invent new weapons and technology. He put China's needs first.Another thing I admire about Wumengchao is that he never quit or gave up, no matter how hard things got. Doingchallenging scientific research and working on dangerous weapons during wars couldn't have been easy. But Wumengchao persevered through all the difficulties with courage and determination.Most importantly though, Wumengchao dedicated his entire life to the pursuit of knowledge and understanding. Rather than taking the easy path, he continually challenged himself to learn more, make new discoveries, and push the boundaries of human technology and science. What an inspirational example of a person who followed his passion!I'm sure that when Wumengchao was a young student like me, he never imagined he'd end up becoming one of China's most legendary scientists and heroes. But because he worked incredibly hard, never stopped learning, loved his country, and never quit on his dreams, he was able to accomplish amazing things.If I can grow up to be even one tenth as smart, hardworking, and accomplished as the great Wumengchao, I'll consider myself a real success. He'll always be my role model and the person I look up to the most. Wumengchao is what a true Chinese hero looks like!The End篇5Who is Wu Meng Chao? He is a Very Important Person in China!Hi friends! Today I want to tell you about a super awesome guy named Wu Meng Chao. He was born a really really long time ago, in the year 1624! Can you believe people were alive back then? That was like almost 400 years ago! Wowzers!Wu Meng Chao grew up in a place called Jiangxi Province. That's a big area down in the southeast part of China. His family didn't have a ton of money, but they still sent him to school to learn lots of stuff. Even as a little kid, Wu Meng Chao was crazy smart and loved learning new things.When he was 19 years old, Wu Meng Chao took a really hard test called the Imperial Examination. It was a huge deal back then - kind of like taking the SATs today, but way harder! Only the super geniuses could pass this massive test. But of course, Wu Meng Chao aced it because he was just that brilliant. Passing meant he could become a fancy government official called a Mandarin Scholar. How cool is that?As a Mandarin Scholar, Wu Meng Chao served under a few different Emperors over the years. That means he got to workreally close with the biggest biggest boss in all of China at the time! He helped make lots of important decisions about leading the country. Wu Meng Chao was a total overachiever too - he kept studying and learning and eventually earned the highest scholar rank possible called a Jinshi. Only the absolute smartest guys around could get that title. I bet Wu Meng Chao's mom was crazy proud!Probably the most amazing thing Wu Meng Chao ever did was write a gigantic encyclopedia called the "Dream Corridor of Antiquities". It had like 240 huge chapters filled with facts about science, history, literature, and so much more. Just picture the biggest, fattest book you've ever seen - and then make it even bigger! This book took Wu Meng Chao over 20 years to write all by himself. It was seriously one of the longest books anyone had ever created back in those days. I don't know about you, but I probably couldn't even read 240 chapters before getting bored!Wu Meng Chao seemed to know absolutely everything there was to know. He studied math, astronomy, geography, medicine - you name it! People called him a "Master of the Five Classics" because he was a total genius about the most important books and subjects in Chinese culture back then. I have trouble justremembering my times tables, so I can't even imagine being that smart!Lots of Wu Meng Chao's writing and work is still studied and famous today, almost 400 years later. That just shows what an incredibly brilliant mind he had. He helped make China a stronger, smarter country and preserved tons of invaluable knowledge for future generations. Pretty much everyone in China knows about the Dream Corridor of Antiquities and what an amazing accomplishment it was.Wu Meng Chao died in 1689 when he was 65 years old. That seems pretty old for the 1600s! After he passed away, later Emperors celebrated Wu Meng Chao as a true national treasure. Monuments were built, paintings were made, and songs were written all about how awesome and talented he was. Even today, Chinese people look up to Wu Meng Chao as one of the absolute greatest scholars in the entire history of their country. And you know what? I totally agree! This guy was clearly a real life brainiac.If I could go back in time, I would love to meet Wu Meng Chao and have him teach me everything he knew. Although to be honest, my brain might just explode from trying to learn that much stuff! I'll stick to playing video games and dreaming aboutsummer vacation for now. But I do hope that someday I can be at least a little bit as smart, accomplished, and hardworking as the one and only Wu Meng Chao. What a legend!。

歌颂新中国的英语稿件初中生

歌颂新中国的英语稿件初中生

歌颂新中国的英语稿件初中生The Rise of a New China: A Celebration of the Nation's TransformationThe past seven decades have witnessed an extraordinary transformation in the People's Republic of China. From a country ravaged by war and political turmoil, China has emerged as a global superpower, commanding the respect and admiration of the international community. This remarkable journey is a testament to the resilience, determination, and unwavering spirit of the Chinese people, who have overcome countless challenges to forge a new path for their nation.At the heart of this transformation lies the establishment of the People's Republic of China in 1949. The founding of the new nation marked the end of a tumultuous era and the beginning of a new era of stability, progress, and national pride. Under the leadership of the Chinese Communist Party, the country embarked on a ambitious program of economic and social reforms, laying the groundwork for the remarkable achievements that would follow.One of the most striking aspects of China's transformation has been its rapid economic growth. Since the implementation of the reform and opening-up policies in the late 1970s, the country has experienced an unprecedented period of economic expansion, with its GDP growing at an average annual rate of nearly 10 percent. This remarkable economic growth has lifted hundreds of millions of people out of poverty, creating a burgeoning middle class and transforming the country into a global economic powerhouse.The success of China's economic reforms has been underpinned by a relentless focus on innovation and technological advancement. The country has invested heavily in research and development, fostering a thriving ecosystem of entrepreneurs, scientists, and engineers who are driving the nation's progress. From the development of cutting-edge technologies in fields such as renewable energy, artificial intelligence, and quantum computing, to the establishment of world-class infrastructure and transportation networks, China's commitment to innovation has been a key driver of its transformation.Alongside its economic achievements, China has also made significant strides in improving the quality of life for its citizens. The government has implemented a range of social welfare programs, including universal healthcare, affordable housing, and expandedaccess to education. These initiatives have contributed to the country's impressive progress in areas such as life expectancy, infant mortality, and literacy rates, placing China among the world's leading nations in terms of human development.Moreover, China's rise on the global stage has been accompanied by a growing sense of national pride and cultural renaissance. The country has actively promoted its rich cultural heritage, investing in the preservation of historical sites, the revitalization of traditional arts and crafts, and the promotion of Chinese language and literature around the world. This cultural resurgence has not only strengthened the bonds of national identity but also helped to enhance China's soft power and international influence.Despite the remarkable progress that China has made, the country still faces a range of challenges and uncertainties. Issues such as environmental degradation, income inequality, and geopolitical tensions continue to pose significant obstacles to the nation's development. However, the Chinese people have demonstrated a remarkable ability to adapt and overcome these challenges, driven by a deep-seated belief in the power of collective effort and a unwavering commitment to the continued progress of their nation.As the world looks on with a mixture of awe and trepidation, the story of China's transformation stands as a testament to thetransformative power of human determination and the enduring spirit of a nation. From the ashes of the past, a new China has emerged, one that is poised to play a central role in shaping the future of the global community. It is a story that inspires hope, challenges preconceptions, and reminds us all of the remarkable potential that lies within the human spirit.。

唱给物理的赞歌作文

唱给物理的赞歌作文

唱给物理的赞歌作文回答1:In Praise of PhysicsPhysics, the study of matter and energy, is a fascinating subject that has captivated the minds of scientists and students alike. From the laws of motion to the mysteries of quantum mechanics, physics helps us understand the world around us and the universe beyond.One of the most remarkable things about physics is its ability to explain seemingly complex phenomena in simple terms. Take for example Newton's laws of motion, which describe how objects move and interact with one another. These laws, written in simple mathematical equations, have allowed us to design machines and vehicles that have revolutionized the world we live in.Another fascinating aspect of physics is its ability to predict the behavior of matter and energy. Through the use of mathematical models and experiments, physicists can make predictions about the behavior of subatomic particles, theproperties of materials, and the behavior of the universe itself. This has led to groundbreaking discoveries such as the existence of black holes, the Big Bang theory, and the discovery of the Higgs boson particle.But physics is not just about discovering new knowledge and making groundbreaking discoveries. It also has practical applications that improve our daily lives. From the development of new materials and technologies to the improvement of medical treatments, physics has contributed to many aspects of modern life.In conclusion, physics is a subject that deserves our admiration and praise. Its ability to explain the complex in simple terms, predict the behavior of matter and energy, and improve our daily lives make it an essential part of our world. As we continue to explore the mysteries of the universe, we can be sure that physics will play a vital role in our quest for knowledge and understanding.物理的赞歌物理学,研究物质和能量的学科,是一门迷人的学科,吸引了科学家和学生们的思维。

预测未来的英语作文

预测未来的英语作文
预测未来的语作文
The future is something that has always fascinated humanity. As we stand on the cusp of a new era, technology continues to advance at an astonishing rate, reshaping the way we live, work, and interact with the world around us. With this in mind, it is interesting to contemplate what the future may hold. In this essay, we will explore some potential developments and trends that may shape our lives in the years to come.
First and foremost, it is almost certain that technology will continue to play a central role in our lives. With the ongoing development of artificial intelligence, virtual reality, and quantum computing, we can expect to see further integration of these technologies into our daily routines. From smart homes that anticipate our needs to self-driving cars that revolutionize our transportation systems, the possibilities are truly endless.

会飞的汽车英语作文400字四年级优秀

会飞的汽车英语作文400字四年级优秀

会飞的汽车英语作文400字四年级优秀全文共3篇示例,供读者参考篇1Flying Cars: The Future of Transportation?Have you ever been stuck in terrible traffic, just wishing you could fly over all the other cars and get to your destination quickly? Well, maybe someday cars that can actually fly will be a reality! Just imagine being able to take off straight from your driveway and soar through the skies. Flying cars could completely change how we think about transportation.What would a flying car even look like? I picture something kind of like a regular car, but with wings that fold out and powerful engines to make it airborne. Some designs I've seen have four wings, while others have just two main wings like airplanes. There would probably be a system for transitioning between driving mode on roads and flying mode in the air. Oh, and it would definitely need some kind of aviation controls and instruments like planes have.The biggest benefit of flying cars is that they could go directly from point A to point B without having to follow roads ordeal with traffic jams. You could simply take off vertically and fly in a straight line to wherever you need to go. That would be so incredibly convenient and would save tons of time, especially for longer trips. No more crawling along freeways at a snail's pace because of accidents or construction.Commuting to work or school in a flying car sounds like a dream come true compared to being trapped in stop-and-go traffic every single day. You could cut down awful commute times dramatically. And just think of how much less stressful things like family road trips would be if you could soar over all the traffic instead of inching along for hours.Of course, flying cars would need strict rules and regulations to keep everyone safe up in the air. There would have to be air traffic control systems, designated flight corridors and lanes, and all sorts of laws about things like altitude requirements to avoid collisions. I imagine you'd need a special pilot's license to operate one too. We'd have to figure out things like where they can take off and land, and if they'd be allowed to land just anywhere or only at special vehicular airports or docking stations.Another awesome benefit is that flying cars could give people a whole new way to travel and see the world from upabove. With the ability to easily fly anywhere, people could get whole new aerial perspectives while going on road trips or vacations. Families might pack up their flying car and take sightseeing flights over amazing landmarks and national parks as part of their journey.Some people worry that flying cars could be noisy and increase air pollution compared to regular cars, but I think technology will advance to make them relatively quiet andeco-friendly over time. Maybe some will be electric with batteries instead of gas engines. I've also heard ideas about having set air lanes designated just for flying cars, kind of like how we have separate highways and roads for regular vehicles now. That could help minimize disruption over residential areas.There would definitely be a lot to figure out in terms of atmosphere traffic control and regulations to keep everyone safe if flying cars did become mainstream someday. But can you imagine how revolutionary that kind of transportation would be? Never again would you be stuck unmoving on an overcrowded highway! I really hope that by the time I'm old enough to drive, flying cars will exist and be an affordable, efficient way to travel. No more traffic headaches - just open up those wings and take to the skies! How incredibly awesome would that be?篇2Flying Cars: A Dream Turned RealityEver since I was a little kid, I've been fascinated by the idea of flying cars. Whenever I watched science fiction movies or read comic books about the future, there were always these incredible vehicles that could soar through the skies like birds. At first, it seemed like just a fantasy, something that could never happen in real life. But now, flying cars are no longer just the stuff of imagination - they are actually becoming a reality!Can you imagine a world where instead of being stuck in traffic jams on the ground, you could simply take to the air and fly over all the congestion? Or being able to travel from one city to another in a fraction of the time it currently takes, all while enjoying a spectacular aerial view? That's the incredible promise of flying car technology.Of course, making flying cars a practical reality isn't as simple as it might sound in theory. There are a lot of challenges that need to be overcome, like developing safe and reliable flight systems, ensuring proper air traffic control, and finding ways to make them affordable for the average person. But scientists andengineers around the world are working hard to tackle these issues head-on.Some of the coolest flying car designs I've seen involve vehicles that can drive on normal roads, but then sprout wings or rotors and take off vertically like helicopters or drones. Others look more like small airplanes, but with the ability to fold up their wings and drive on streets after landing. Whichever approach ends up being the most successful, the possibilities aremind-boggling.Imagine being able to hop into your personal flying car, punch in your destination, and letting the automated systems take over from there. You could lean back and relax, do homework or watch movies, while your flying car navigates the airways and gets you to your destination quickly and safely. No more stressing about being late to school or extracurricular activities because of traffic!And think about how flying cars could transform the way we travel for family vacations or business trips. Instead of having to deal with the hassles of regular airports and flight delays, you could simply take off from a nearby launching pad and enjoy a smooth, direct flight to your final destination. The entire world would become so much more accessible.Of course, there are also some potential downsides to widespread adoption of flying cars that will need to be carefully considered. Noise pollution from all those aerial vehicles could become a nuisance, and there are understandable concerns about privacy, safety, and environmental impacts. But I'm confident that the brilliant minds working on this technology will find innovative solutions to mitigate those issues.At the end of the day, flying cars represent the next quantum leap in transportation, with the potential to revolutionize the way we live, work, and explore our amazing planet. As a kid fascinated by science and technology, I can't wait to see where this incredible innovation takes us. Maybe flying car lessons will be part of getting a driver's license by the time I'm old enough! Who knows what other mindblowing advancements the future has in store?篇3Flying Cars - An Awesome InventionImagine being able to fly over all the traffic jams and getting anywhere super fast! That's what flying cars would let us do. Flying cars are vehicles that can drive on roads like normal cars,but they also have the ability to fly through the air like airplanes. They are an amazing invention that I can't wait to have one day.Flying cars would be so incredibly cool and fun. Instead of being stuck in bumper-to-bumper traffic during rush hour, you could just take off into the sky. Traffic jams and road construction would be no problem at all when you can fly over it all. And you'd never have to worry about getting delayed by an accident causing gridlock up ahead. Just fly up and over it!Getting places would be so much quicker too. Right now, a road trip that takes hours would just take minutes if you could fly directly there. You could live in one city but work in another city far away and have no problem commuting back and forth through the air in no time. Traveling on vacations would be a breeze by flying over states and countries.But flying cars wouldn't just be about going places faster. They would make driving way more fun! Cruising along up in the clouds at high speeds with amazing views would be thrilling. You could do loops and barrel rolls and all sorts of cool aerial tricks. Driving would feel more like a roller coaster ride in the sky. I'd love soaring high up and feeling that wind rushed freedom.Of course, flying cars would need to be super safe to operate. They would have to basically be like both a car and a planecombined into one. With wings and propellers for flying, but also wheels for driving on roads. And they'd need powerful engines and computer systems to control all the flying. There would be a lot of new technology required.Drivers would also need special flying car licenses and have to follow air traffic control instructions. There would be designated flying lanes and altitudes to prevent mid-air collisions. And you could only fly your car in areas and weather conditions approved for flight.Even with those safety rules though, flying cars would create so many awesome possibilities! Buckle up and open the throttle to zoom off down the highway. Then punch it into vertical flight mode and take off up into the wild blue yonder! What an amazing driving experience that would be.Just picture yourself up in the clouds, the earth laid out in a panoramic view below you. Banking around buildings and steering between mountains. Riding air currents and feeling the incredible speed and freedom of flight. That's the dream of future driving in a flying car! No more being trapped in your car on congested roads, but instead having the whole sky to explore.I can't wait until they become a reality.Flying cars may sound like just science fiction now, but I believe they are an invention that will actually happen someday. Car companies and scientists are already working on developing the vertical take-off and landing technology for vehicles. As that continues to advance, along with autonomous driving systems, we'll get closer and closer to making flying cars viable.It will probably still be a few decades before they get worked out and approved for everyone to use though. We'll need to improve battery tech to give flying cars enough range. And figure out how millions of small aircraft can safely share airspace over cities. Plus make them affordable for regular people to own.But I'm certain that kids my age today will be among the first generation of adults to get to experience the wonder of flying cars. Maybe I'll even get to be one of the early adopters and trail blazers of urban air mobility! Just think how epic that would be. I'd be over the moon to have my very own flying car and join the pursuit of that extraordinary new frontier of transportation.Until then, I'll keep dream of the day I can climb into a sleek new flying car. Do the pre-flight checks. Rev the engines as the wings extend and rotors spin up. Then pull back on the thrust lever to gently lift up off the ground. And with a rush of exhilaration, punch the accelerator to zoom up into that wideopen sky! My heart races just imagining it. Flying cars will change the world in such an amazingly futuristic and freeing way. I can't wait!。

未来的科技畅想英语作文

未来的科技畅想英语作文

In the realm of future technology,our imaginations can run wild.Heres a detailed English composition that envisions the technological advancements of the future.Title:A Glimpse into the Future of TechnologyAs we stand on the precipice of the next era of technological innovation,it is both thrilling and daunting to consider the potential changes that lie ahead.The future of technology promises to be a tapestry woven with threads of artificial intelligence, quantum computing,biotechnology,and sustainable energy solutions.Artificial Intelligence AIThe integration of AI into daily life will be seamless and ubiquitous.Personal AI assistants will not only manage our schedules and provide information but will also understand our emotions and predict our needs.In the workplace,AI will collaborate with humans to enhance productivity,offering insights and solutions that we might not have considered.Autonomous vehicles will revolutionize transportation,reducing accidents and traffic congestion while optimizing routes for efficiency.Quantum ComputingQuantum computers will unlock new frontiers in data processing and problemsolving. With their ability to perform complex calculations at unprecedented speeds,they will transform fields such as cryptography,drug discovery,and materials science.Quantum encryption will ensure unprecedented security in digital communications,while quantum simulations will enable the design of new materials with tailored properties. BiotechnologyAdvancements in biotechnology will lead to breakthroughs in personalized medicine. Genetic editing technologies like CRISPR will allow us to correct genetic disorders and potentially enhance human capabilities.Synthetic biology will give rise to new forms of life,designed to perform specific functions,such as cleaning up pollution or producing renewable energy.Sustainable EnergyThe quest for sustainable energy will yield innovative solutions to combat climate change. Solar and wind energy will become more efficient and affordable,with advancements in energy storage allowing for a more stable and reliable power grid.Fusion power,once adream of science fiction,may become a reality,providing a nearly limitless and clean source of energy.Virtual and Augmented RealityThe boundaries between the digital and physical worlds will blur as virtual reality VR and augmented reality AR become more sophisticated.VR will offer immersive experiences for entertainment,education,and therapy,while AR will overlay digital information onto the physical world,enhancing our perception and interaction with the environment.Space ExplorationThe future will see a new age of space exploration,with private companies and international collaborations pushing the limits of what we know.Mars may become the first offworld colony,with sustainable habitats and infrastructure built to support human life.Space tourism will become a reality,offering breathtaking views of Earth from the cosmos.CybersecurityAs our reliance on technology grows,so does the importance of cybersecurity.Advanced encryption methods and AIdriven threat detection systems will protect our digital infrastructure from cyber attacks.Quantumresistant algorithms will safeguard our data against the power of quantum computers.Ethical ConsiderationsWith great power comes great responsibility.The future of technology will demand a robust ethical framework to guide its development and use.Issues such as privacy,data ownership,and the digital divide will require thoughtful solutions to ensure that technological advancements benefit all of humanity.In conclusion,the future of technology is a canvas waiting for the brushstrokes of innovation.It holds the promise of a world that is more connected,efficient,and sustainable.However,it also presents challenges that we must navigate with wisdom and foresight.As we step into this future,let us do so with a commitment to using technology for the betterment of all.。

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Quantum Teleportation

量子通信应用

量子密钥分发:将量子通信原理仅用于用于发送密匙而不用于数据传 输。
Quantum Teleportation
In the quantum formalism, the result of a spin measurement on one of the particles is a collapse into a state in which each particle has a definite spin (either up or down) along the axis of measurement. The outcome is taken to be random, with each possibility having a probability of 50%. However, if both spins are measured along the same axis, they are found to be anti-correlated.
量子通信
Quantum Teleportation
量子通信

量子通信是指利用量子纠缠效应进行信息传递的一种新型的通讯方式, 是近二十年发展起来的新型交叉学科,是量子论和信息论相结合的新 的研究领域。
Quantum teleportation is a process by which quantum information (e.g. the exact state of an atom or photon) can be transmitted (exactly, in principle) from one location to another, with the help of classical communication and previously shared quantum entanglement between the sending and receiving location.
Quantum Teleportation

quantum entanglement

The distance and timing of the measurements can be chosen so as to make the interval between the two measurements spacelike, i.e. from any of the two measuring events to the other a message would have to travel faster than light. 然而由于测不准原理,不能准确测量粒子的全部属性,且测量本身就 会改变量子的属性,因此量子通信不仅需要量子信道,还需要经典信 道;具体过程:

Quantum Teleportation
量子纠缠quantum entanglement

Quantum entanglement is a physical phenomenon that occurs when pairs or groups of particles are generated or interact in ways such that the quantum state of each particle cannot be described independently—instead, a quantum state may be given for the system as a whole.

Quantum Teleportation
量通信
量子通信应用

由于测不准原理和量子不可复制原理,量子通信具有传统通信方式所 不具备的绝对安全特性。
2006年夏,我国中国科学技术大学教授潘建伟小组、美国洛斯阿拉莫 斯国家实验室、欧洲慕尼黑大学—维也纳大学联合研究小组各自独立 实现了诱骗态方案,同时实现了超过100公里的诱骗态量子密钥分发 实验,由此打开了量子通信走向应用的大门。2008年底,潘建伟的科 研团队成功研制了基于诱骗态的光纤量子通信原型系统,在合肥成功 组建了世界上首个 3节点链状光量子电话网,成为国际上报道的绝对 安全的实用化量子通信网络实验研究的两个团队之一(另一小组为欧 洲联合实验团队)。2009 年9 月,潘建伟的科研团队正是在 3节点链 状光量子电话网的基础上,建成了世界上首个全通型量子通信网络, 首次实现了实时语音量子保密通信。这一成果在同类产品中位居国际 先进水平,标志着中国在城域量子网络关键技术方面已经达到了产业 化要求。
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