Unit 1 Electronics Introduction 1
Chapter Ⅰ Basic Electronic Technology 1
Reading Material 5
Electronic Measuring Instruments 5
Practical English 7
Skills of Translation 词类转译（Ⅰ） 7
Unit 2 Resistor,Capacitor and Inductor 9
Reading Material 12
Electronic Components 12
Practical English 14
Skills of Translation 词类转译（Ⅱ） 14
Unit 3 Circuit Q and Bandwidth 16
Filters 20
Reading Material 20
Practical English 21
Skills of Translation 词类转译（Ⅲ） 21
Unit 4 Operational Amplifiers 23
Reading Material 27
Digital Circuit 27
Practical English 30
Skills of Translation 特殊词的处理Ⅰ（数词） 30
Unit 5 Oscillator 32
Reading Material 35
Digital Frequency Counters 35
Practical English 36
Skills of Translation 特殊词的处理Ⅱ（介词）（1） 36
Unit 6 Receiver Circuits 38
Radio Waves 42
Reading Material 42
Practical English 45
Skills of Translation 特殊词的处理Ⅱ（介词）（2） 45
Chapter Ⅱ Communication Technology 46
Unit 7 Communications Systems 46
Reading Material 50
Wireless Communications 50
Practical English 53
Skills of Understanding 科技词汇的构成（Ⅰ） 53
Unit 8 Mobile Communications 55
Reading Material 60
Net2Phone 60
Skills of Understanding 科技词汇的构成（Ⅱ） 62
Practical English 62
Unit 9 Introduction to Optical Fiber Communications 64
Reading Material 68
Faster-Than-Light Electric Pulses 68
Practical English 69
Skills of Understanding 科技英语中常用结构及表达形式 69
Unit 10 Satellite Communications 71
Reading Material 75
Short-wave Radio and the State ofthe Ionosphere 75
Practical English 78
Skills of Understanding 长难句的理解 78
Unit 11 ATM(Asynchronous Transfer Mode) 80
Wireless Application Protocol 85
Reading Material 85
Practical English 87
Skills of Understanding 省略结构 87
Chapter Ⅲ Advanced Electronic Technology 89
Unit 12 Digital Signal Processing(DSP) 89
Reading Material 93
Phase Lock Techniques 93
Practical English 95
Skills of Translation 常见否定短语的翻译 95
Unit 13 Digital Image Fundamental 96
Reading Material 100
Television 100
Skills of Translation 复杂句的翻译 102
Practical English 102
Unit 14 Transducers 104
Reading Material 107
Oscilloscopes 107
Practical English 110
Skills of Translation And引导的句型（1） 110
Unit 15 FPGAs Technology 112
Reading Material 116
Remote Sensing 116
Practical English 118
Skills of Translation And引导的句型（2） 118
Chapter Ⅳ Computer Technology 120
Unit 16 Computer System 120
Memo 125
Reading Material 125
Practical English 126
Skills of Reading Instructions说明书（Ⅰ） 126
Unit 17 Computer Networks 128
Reading Material 134
Network Protocols 134
Practical English 136
Skills of Reading Operating Instructions使用说明书（Ⅱ） 136
Unit 18 Introduction to Artificial Intelligence 138
Reading Material 142
Software Engineering 142
Practical English 145
Skills of Reading Trouble Shooting Guide故障排除指南 145
Unit 19 Integrated Services Digital Network(ISDN) 148
Reading Material 152
The Internet 152
Practical English 155
Skills of Writing 电子邮件的写作方法 155
Unit 20 The Security Problem of Computer-Virus 157
Reading Material 161
Precautionary Measure of Computer Virus 161
Practical English 163
Skills of Writing 标志与警示 163
附录一：练习参考答案 165
附录二：参考译文 174
参考文献 215