科技英语（电类）

     《科技英语》共分为两部分，第一部分为“精读”，共包含22个单元，涉及电力、机械、数控、电子技术、信号处理、现代通信、传感器、自动化等多学科知识，在每一个单元中的每篇课文后均安排了生词介绍、常见的语法知识和适量的课后习题。第二部分为“专业阅读材料”，安排了一些专业相关英文材料。

    根据理工类本科生考研和掌握专业英语的需要，《科技英语》共分为两部分，第一部分为“精读”，共包含22个单元，涉及电力、机械、数控、电子技术、信号处理、现代通信、传感器、自动化等多学科知识，在每一个单元中的每篇课文后均安排了生词介绍、常见的语法知识和适量的课后习题。第二部分为“专业阅读材料”，安排了一些专业相关英文材料。     本书编写力求反映应用型本科的要求和理工类专业的教学特点，内容由浅入深，循序渐进，通俗易懂，基本概念和基本知识准确清晰，注重将英语和专业知识有机结合起来，并且特别注意以形象直观的形式来配合文字表述，重点突出。     本书可适应不同层次的读者选用，既可用作高等学校理工类本科教材，也适用于理工类学生考研参考、阅读。

第一部分  精读 Unit 1   Text A  Voltage, Resistance and Current   Text B  Kirchhoff's Current Law(KCL) and Kirchhoff's Voltage Law(KVL)   Grammar   Exercises   Reading Material: Superheterodyne Receiver Unit 2   Text A  Radio Receivers   Text B  Audio Amplifiers   Grammar   Exercises   Reading Material: Miniaturization and Microminiaturization Unit 3   Text A  The Binary Number System   Text B  Logical Gates   Grammar   Exercises   Reading Material: Digital Design Unit 4   Text A  Minimum Power System   Text B  Desirable Feature of Hydroplant   Grammar   Exercises   Reading Material : Dc Motors Unit 5   Text A  Importance of Instrumentation   Text B  Differential Protection   Grammar   Exercises   Reading Material: The Directional Protection Basis Unit 6   Text A  Plastics and Other Materials   Text B  Cold Working and Hot Working   Grammar   Exercises   Reading Material: Cams and Gears Unit 7   Text A  Introduction of Machining   Text B  Flexible Manufacturing Systems   Grammar   Exercises   Reading Material: Mechanism of Surface Finish Production Unit 8   Text A  The Concept of Length Offset   Text B  Programming   Grammar   Exercises   Reading Material: Software Issues and Trends. Unit 9   Text A  Lasers   Text B  What Are Lasers Good For?   Grammar   Exercises   Reading Material: Laser Safety Unit 10   Text A  Frequency-Domain Descriptions   Text B  The Princip]e of PCM   Grammar   Exercises   Reading Material: Time-Domain Descriptions Unit 11   Text A  Electronic Digital Computer   Text B  C as a Structured Language   Grammar   Exercises   Reading Material: Computer and Mieroeomputer Unit 12   Text A  Computer Software   Text B  Linux   Grammar   Exercises   Reading Material: Buses: Conneeting I/O Devices to Proeessor and Memory Unit 13   Text A  Input Devices of Computer   Text B  The System Bus   Grammar   Exercises   Reading Material: Computers and Microcomputers Unit 14   Text A  Data Communication   Text B Communicating with Data   Grammar   Exercises   Reading Material: Introduction to Switching Unit 15   Text A  Global System for Mobile Communication (GSM)   Text B  CDMA   Grammar   Exercises   Reading Material: Wireless Systems Unit 16   Text A  Analogue Radio-relay System   Text B  Gigabit Ethernet   Grammar   Exercises   Reading Material: Point-to-point communication Unit 17   Text A  Optical Communications   Text B  WDM   Grammar   Exerelses   Reading Material: Generation 2. 5 Mobile Cellular System Unit 18   Text A  PID Control   Text B  State-space Analysis of Control Systems   Grammar   Exercises   Reading Material : Nyquist's Stability Criterion Unit 19   Text A  Root-locus Approach to Control System Design   Text B  Nonlinear Control Systems   Grammar   Exercises   Reading Material: Terminology of Control Systems Unit 20   Text A  The Simple Two-Coil Transformer   Text B  Artificial Neural Network Control   Grammar   Exercises   Reading Material Unit 21   Text A  Sensors   Text B  How Robots Work   Grammar   Exercises   Reading Material: Humanoid Robots: A New Kind of Tool Unil 22   Text A  The Oscilloscope   Text B  Superheterodyne Radio Receivers   Grammar   Exercises   Reading Material: Optical Microscopy 第二部分  专业阅读材料   Passage A  Interrupt System and Responding Service of 80C51   Passage B  Laser Safety   Passage C Network Hardware and Software   Passage D The Wireless Channel