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PART 1 Electrical and Electronic Engineering Basics UNIT 1 A UNIT 2 A UNIT 3 A UNIT 4 A UNIT 5 A UNIT 6 A UNIT 7 A Electrical Networks ———————————— 3 B Three-phase Circuits The Operational Amplifier ——————————— 5 Logical Variables and Flip-flop —————————— 8 Power Semiconductor Devices —————————— 11 Types of DC Motors —————————————15 AC Machines ———————————————19 Electric Power System ————————————22 B Transistors B Binary Number System B Power Electronic Converters B Closed-loop Control of DC Drivers B Induction Motor Drive B Power System Automation PART 2 Control Theory UNIT 1 A B UNIT 2 A UNIT 3 A UNIT 4 A The World of Control ————————————27 Stability and the Time Response ————————— 30 The Root Locus ————————————— 32 The Transfer Function and the Laplace Transformation —————29 B Steady State————————————————— 31 B The Frequency Response Methods: Nyquist Diagrams ————— 33 The Frequency Response Methods: Bode Piots ————— 34 B Nonlinear Control System 37 UNIT 5 A Introduction to Modern Control Theory B B B PART 3 B B B State Equations Optimum Control Systems Artificial Neural Network Computer Control Technology 42 43 44 Fundamentals of Computer and Networks The Applications of Computers 46 40 38 UNIT 6 A Controllability, Observability, and Stability UNIT 7 A Conventional and Intelligent Control UNIT 1 A Computer Structure and Function UNIT 2 A Interfaces to External Signals and Devices UNIT 3 A PLC Overview PACs for Industrial Control, the Future of Control 1 UNIT 4 A Fundamentals of Single-chip Microcomputer 49 B B PART 4 B B B B PART 5 B B B B PART 6 Understanding DSP and Its Uses Embedded Systems Design Process Control 50 52 53 Fundamentals of Process Control UNIT 5 A A First Look at Embedded Systems UNIT 1 A A Process Control System UNIT 2 A Sensors and Transmitters Final Control Elements and Controllers PID Controllers and Other Controllers Control Panels Control Based on Network and Information Evolution of Control System Architecture Stability of NCSs with Network-induced Delay Virtual Manufacturing—A Growing Trend in Automation Enterprise Resources Planning and Beyond Synthetic Applications of Automatic Technology UNIT 3 A P Controllers and PI Controllers UNIT 4 A Indicating Instruments UNIT 1 A Automation Networking Application Areas UNIT 2 A Fundamental Issues in Networked Control Systems UNIT 3 A Fundamentals of the Database System UNIT 4 A Concepts of Computer Integrated Manufacturing UNIT 1 A Recent Advances and Future Trends in Electrical Machine Drivers B B B System Evolution in Intelligent Buildings A General Introduction to Pattern Recognition Electric Vehicles UNIT 2 A Industrial Robot UNIT 3 A Renewable Energy 2 UNIT 1 A

电路 电路或电网络由以某种方式连接的电阻器，电感器和电容器等元件组成。如果网络不包含能源，如电池或发电机，那么就被称作无源网络。换句话说，如果存在一个或多个能源，那么组合的结果为有源网络。在研究电网络的特性时，我们感兴趣的是确定电路中的电压和电流。因为网络由无源电路元件组成，所以必须首先定义这些元件的电特性。就电阻来说，电压-电流的关系由欧姆定律给出，欧姆定律指出：电阻两端的电压等于电阻上流过的电流乘以电阻值。在数学上表达为： u=iR (1-1A-1)式中 u=电压，伏特；i =电流，安培；R =电阻，欧姆。纯电感电压由法拉第定律定义，法拉第定律指出：电感两端的电压正比于流过电感的电流随时间的变化率。因此可得到：U=Ldi/dt 式中 di/dt =电流变化率，安培/秒； L =感应系数，享利。电容两端建立的电压正比于电容两极板上积累的电荷 q 。因为电荷的积累可表示为电荷增量 dq 的和或积分，因此得到的等式为 u=，式中电容量 C 是与电压和电荷相关的比例常数。由定义可知，电流等于电荷随时间的变化率，可表示为 i = dq/dt。因此电荷增量 dq 等于电流乘以相应的时间增量，或 dq = i dt，那么等式(1-1A-3)可写为式中 C =电容量，法拉。

" Modern states have no right to "base their diplomacy on illegality, boorishness, cajoling and bullying without one iota of legal fabric in their arguments….future generations read these lines and judge for themselves who was right and who was wrong at this fundamental moment in the determination of the future of Mankind.

在文明世界，法律是应遵循的"现代国家无权的"基地其外交上是非法的， boorishness ， cajoling和欺凌，没有一丝毫的法律织物在他们的论点……。后代请您阅读这些线和自行判断谁是正确的，谁是错在这个根本的时刻的决心，人类的未来。

And the future development of space industry is relatively limited, may become a bottleneck for future growth.

而这是航天工业的未来发展相当有限，有可能成为未来发展的瓶颈。

Van Loon, a philosopher in the early 20th Century, left the legacy of "tolerance" to future generations. Humanity today possesses more wisdom and awareness than its forebears a century ago. Have we achieved the broad-mindedness to treat people who are different from us, and who hold different views, with tolerance? Can we nurture a human spirit which is superior to the generation before, and with our warm hearts, hand it down to future generations?

二十世纪初的哲学家凡龙以"宽容"为遗产留给后世，今天的人类在经历一百年的波折之后，是不是比一个世纪前的祖先具备更多的智慧和意识，有没有锻炼出同样的胸襟，以宽容的心去对待"异己"，去接纳"异见"，并且培养出比上一代更优秀的心灵，以温暖的掌心传给下一代？

Van Loon, a philosopher in the early 20th Century, left the legacy of "tolerance" to future generations. Do humanity today possess more wisdom and awareness than its forebears a century ago? Have we achieved the broad-mindedness to treat people who are different from us, and who hold different views, with tolerance? Can we nurture a human spirit which is superior to the generation before, and with our warm hearts, hand it down to future generations?

二十世纪初的哲学家凡龙以"宽容"为遗产留给后世，今天的人类在经历一百年的波折之后，是不是比一个世纪前的祖先具备更多的智慧和意识，有没有锻炼出同样的胸襟，以宽容的心去对待"异己"，去接纳"异见"，并且培养出比上一代更优秀的心灵，以温暖的掌心传给下一代？

What of the future of wines? Simon shares,"while it is difficult to predict the future of wine, Capel Vale reflects the changing lifestyle we have today where people have smaller homes, with less storage space , so we are offering wines of great quality so people can drink and enjoy them now."

对于葡萄酒的未来，赛曼认为："葡萄酒的未来很难预测，但卡佩尔谷反应了我们今天不断变化的生活方式，人们住较小的房子，储藏的地方比过去小，所以我们要提供高质量的葡萄酒，人们现在就可以享受。"

The centre-forward also spoke about his future: I hear these rumours about the future, but I haven't even thought about it.

这名中锋还谈到他的将来：「我听到了这些传言，但是我从来都没有在意过。

But the future event is certain to happen, and thus the future interest can have value and reality now, while my sister is very much alive.

但是未来的事件是肯定要发生的，因而未来权益现在是有价值并且现实的，虽然我妹妹还活着。

This article introduces the development and the evolution of IT channel in our country, focusing on the IT channel pattern based on the electronic commerce. Analysis from transformation of value chain explains electronic commerce the fundamental reason which affects the IT channel. Various analyses which IT channel is affected by electronic commerce have been carried out. The relationship between the consumer network purchase behavior and the IT electronic channel has been explained, and necessity of the middle man electronic commercialized pattern had been discovered. Standing on the previous research, this article summarizes the tendency of IT channel development and predicts the future of orientation of IT channel so as to provide some principles for medium and small sized channel members. In the last part of the article, it visualizes the future new IT channel pattern from the angle of economics.

本文介绍了我国IT渠道的发展与演变过程，重点分析了基于电子商务的IT渠道模式，从价值链的改造这个角度进行分析，说明电子商务对IT渠道影响的根源所在，对电子商务影响IT渠道这一事物进行了各种层次和角度的分析，解释了消费者网络购买行为和IT电子渠道中产品选择的关系，揭示了中间商电子商务化的必然性，在以上研究的基础上，总结了IT渠道的当前发展趋势后，本文结合以上研究内容，做出对IT渠道走向的预测，为中小型渠道成员的战略选择提供了一定依据，最后从经济学角度出发做出了对未来IT渠道新模式的构想。

This second exhibition by a definite date a year, install bus of kitchen division, study area, bathroom area, sitting room area, number in all area of station, future 6 exhibit an area, content is covered feed, cure, live, travel, happy wait for many respects, reveal in grass-roots life, pass the automation environment of IPv6 application, let establishment of electric lamp, cinematograph, freezer, acoustics, microwave oven, medical treatment wait, can pass long-range computer to control, implementation future wisdom the network lives.

本次展览为期一年，共设置厨房区、书房区、浴室区、客厅区、数字公交车站、未来区等六个展区，内容涵盖食、医、住、行、乐等多个方面，展示在一般民众生活中，通过IPv6应用的自动化环境，让电灯、摄影机、电冰箱、音响、微波炉、医疗设施等，都能通过远程电脑控制，实现未来聪明型的网络生活。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48