Part One 3
Unit One 3
Text:A Brief History of Satellite Communications 3
Reading Material A:Satellite Communications 6
Reading Material B:Microwave Communications System 8
Reading Material C:Communication satellite 10
Interpretation of Carrier English 10
Unit Two 12
Text:Antennas 12
Reading Material A:Networking 14
Reading Material B:Electrical Engineering 17
Reading Material C:UFO 18
Interpretation of Science and Technology Terminology 18
Unit Three 21
Text:Digital Communications 21
Reading Material A:The Technology-MANs 24
Reading Material B:Digital Communications Technology 25
Reading Material C:Keypad 29
Introduction of Reading Skill 29
Unit Four 33
Text:Data Communication 33
Reading Material A:Laser 36
Reading Material B:Electricity-Generation and Transport 40
Reading Material C:Light Waves 41
Expressions of Passive Voice 42
Test Yourself Ⅰ 43
Unit Five 47
Text:Amplifiers 47
Reading Material A:Facsimile Transmission 49
Reading Material B:Fax via Email Cuts Costs 52
Reading Material C:Water 52
Text Format of Career English 53
Unit Six 57
Text:Analog Communications 57
Reading Material A:Facsimile Equipment 59
Reading Material B:Video Conferencing 62
Reading Material C:Pollution and Enviourament 62
Expressions of Numbers and Quantity 63
Unit Seven 65
Text:Semiconductors 65
Reading Material A:Pulse Code Modulation 68
Reading Material B:Communication Satellite Systems 71
Reading Material C:A Trick for Trouble-shooting 72
Basic Translation Techniques 72
Unit Eight 75
Text:Optical Communications 75
Reading Material A:Optical Fiber Communications 78
Reading Material B:Put Your Business on the Internet 81
Reading Material C:Laser and Communication 82
Classifying 82
Test Yourself 2 83
Unit Nine 88
Text:Electromagnetic Radiation 88
Reading Material A:The Electro-Magnet 91
Reading Material B:The Changing Role of the PBX 92
Reading Material C:Crisis of Energy 94
Defining 95
Unit Ten 97
Text:Electrical Measurements 97
Reading Material A:Modern Means of Communication 99
Reading Material B:ISDN 101
Reading Material C:New Changing in Our Living 104
Exemplifying 105
Unit Eleven 107
Text:Digital Signal Processors and Its Spplications 107
Reading Material A:Speech Synthesis 111
Reading Material B:Speech Recognition 113
Reading Material C:Great Lakes 114
Reporting 114
Unit Twelve 116
Text:Modern Role of Cryptography 116
Reading Material A:An Initial Hint on Foundations of Cryptography 120
Reading Material B:Basis of Information Security:More than Computational Intractability 121
Reading Material C:Saving Earth 122
Describing 122
Test Yourself Ⅲ 123
Unit Thirteen 128
Text:Communication Network 128
Reading Material A:Future Network Architectures and Their Services 131
Reading Material B:Key Factors in Communication Network Evolution 133
Reading Material C:Fresh Water 134
Predicting 135
Unit Fourteen 137
Text:Signal and System 137
Reading Material A:Overview of Specific Systems(1) 142
Reading Material B:Overview of Specific Systems(2) 143
Reading Material C:Ecology 144
Comparing 144
Unit Fifteen 147
Text:Introduction of ISDN 147
Reading Material A:Broadband ISDN 149
Reading Material B:Network Management 152
Reading Material C:Inner Ear 154
Cause and Effect 154
Unit Sixteen 156
Text:Characteristics of Communication Channels 156
Reading Material A:How Computer Viruses Spread 159
Reading Material B:Types of Computer Viruses Infection 162
Reading Material C:Using a Mouse 163
Reading Material D:Microprobe 165
Application Examples 166
Test Yourself Ⅳ 176
期末测试试卷（A） 180
期末测试试卷（B） 184
Part Two 191
课文与部分阅读材料参考译文 191
Appendix Ⅰ:"An overview of what make up an information system:people Procedure,software,hardware and data" 212
Appendix Ⅱ:Vocabulary 218
Appendix Ⅲ:Terminology Practice and Applications 245
Appendix Ⅳ:The following is a list abbreviations which appear in the text 262
Appendix Ⅴ:Abbreviations for Network 264
Appendix Ⅵ:Terminology for Electronics and Communications 276
Appendix Ⅶ：计算机软件人员水平考试试题解析 296
参考文献 303