Unit 1 1
Part One Text Some Introductory Concepts 1
Notes to the Text 3
Exercises 5
Reading Material Kirchhoff's Rules 6
Part Two Grammar冠词 11
Exercises 18
Unit 2 20
Part One Text Digital Logic 20
Notes to the Text 25
Exercises 26
Reading Material Boolean Algebra and Logic Signals 27
Part Two Grammar介词、并列连接词和数词 31
Exercises 40
Unit 3 42
Part One Text Communications Systems 42
Notes to the Text 44
Exercises 46
Reading Material Modulation and Bandwidth Requirements 48
Part Two Grammar动词、副词和形容词 51
Exercises 56
Unit 4 58
Part One Text Principles of Data Communications 58
Notes to the Text 60
Exercises 60
Reading Material Introduction to Data Communications 62
Part Two Grammar代词和名词 66
Exercises 73
Unit 5 75
Part One Text Microwave Radar Systems 75
Notes to the Text 77
Exercises 78
Reading Material Development of Radar 80
Part Two Grammar插入语、否定、时态、语态、形容词和副词的比较等级 83
Exercises 90
Unit 6 92
Part One Text Electronic Warfare Systems 92
Notes to the Text 95
Exercises 95
Reading Material Pulse-type Communication and Information Theory 98
Part Two Grammar动词不定式 102
Exercises 115
Unit 7 117
Part One Text Introduction to Television 117
Notes to the Text 120
Exercises 121
Reading Material Television 123
Part Two Grammar分词，“with”结构，动名词 126
Exercises 132
Unit 8 135
Part One Text Satellite Communications 135
Notes to the Text 137
Exercises 138
Reading Material Satellite Communications 140
Part Two Grammar状语从句和同位语从句 143
Exercises 146
Unit 9 148
Part One Text Electronic Digital Computers 148
Notes to the Text 150
Exercises 150
Reading Material Applications Conmputers 152
Part Two Grammar名词从句 155
Exercises 159
Unit 10 161
Part One Text Computer Software 161
Notes to the Text 163
Exercises 163
Reading Material Computer Hardware:Basic Elements 166
Part Two Grammar定语从句（1） 168
Exercises 172
Unit 11 174
Part One Text The MOSFET 174
Notes to the Text 176
Exercises 177
Reading Material The MOSFET 179
Part Two Grammar定语从句（2） 182
Exercises 185
Unit 12 187
Part One Text Semiconductor Lasers 187
Notes to the Text 190
Exercises 191
Reading Material Advanced Semiconductor Lasers 193
Part Two Grammar定语从句（3） 196
Exercises 198
Unit 13 200
Part One Text Integrated Circuits 200
Notes to the Text 203
Exercises 203
Reading Material Integrated Circuits 205
Part Two Grammar虚拟语气和句子成分的强调手段 209
Exercise 215
Unit 14 217
Part One Text The Role of Measurement 217
Notes to the Text 219
Exercises 220
Reading Material Measurement 222
Part Two Grammar句子成分的倒装和省略 224
Exercises 230
Unit 15 233
Part One Text Information:Abstraction or Reality? 233
Notes to the Text 236
Exercises 236
Reading Material Forms of Human Information and Its Communication 238
Part Two Grammar句子成分的分割 241
Exercises 245
Glossary（总词汇表） 247