《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