目录 CONTENTS Unit 1 1 Text A Introduction to IoT 1 New Words 4 Phrases 6 Abbreviations 7 Analysis of Difficult Sentences 7 Exercises 8 Text B Introduction to IoT Architecture 10 New Words 13 Phrases 14 Exercises 14 Reading Material 16 参考译文 18 Unit 2 21 Text A What Is M2M? 21 New Words 23 Phrases 25 Abbreviations 25 Analysis of Difficult Sentences 26 Exercises 26 Text B Types of Transmission Media 28 New Words 31 Phrases 32 Abbreviations 33 Exercises 33 Reading Material 35 参考译文 37 Unit 3 40 Text A IoT Protocols 40 New Words 44 Phrases 45 Abbreviations 46 Analysis of Difficult Sentences 46 Exercises 47 Text B IoT Sensors 50 New Words 53 Phrases 55 Abbreviations 56 Exercises 56 Reading Material 58 参考译文 61 Unit 4 65 Text A Network Architecture 65 New Words 68 Phrases 70 Abbreviations 71 Analysis of Difficult Sentences 71 Exercises 72 Text B Network Topology 75 New Words 80 Phrases 81 Abbreviations 82 Exercises 82 Reading Material 84 参考译文 86 Unit 5 89 Text A Networking Hardware 89 New Words 93 Phrases 94 Abbreviations 95 Analysis of Difficult Sentences 95 Exercises 96 Text B Network Switch 98 New Words 104 Phrases 105 Abbreviations 107 Exercises 107 Reading Material 108 参考译文 112 Unit 6 116 Text A Wireless Sensor Network 116 New Words 120 Phrases 121 Abbreviations 122 Analysis of Difficult Sentences 122 Exercises 123 Text B WiFi 126 New Words 130 Phrases 131 Abbreviations 131 Exercises 132 Reading Material 133 参考译文 137 Unit 7 140 Text A How Wireless Networks Work 140 New Words 143 Phrases 144 Abbreviations 145 Analysis of Difficult Sentences 145 Exercises 146 Text B RFID 148 New Words 151 Phrases 152 Abbreviations 153 Exercises 153 Reading Material 154 参考译文 158 Unit 8 160 Text A Top 5 IoT Development Platforms 160 New Words 164 Phrases 165 Abbreviations 166 Analysis of Difficult Sentences 166 Exercises 167 Text B Programming Languages for IoT 169 New Words 172 Phrases 173 Abbreviations 173 Exercises 173 Reading Material 175 参考译文 179 Unit 9 183 Text A IoT Security 183 New Words 186 Phrases 188 Abbreviations 189 Analysis of Difficult Sentences 189 Exercises 190 Text B Blockchain for IoT 193 New Words 196 Phrases 197 Exercises 198 Reading Material 199 参考译文 202 Unit 10 205 Text A IoT Data Analytics 205 New Words 208 Phrases 209 Analysis of Difficult Sentences 210 Exercises 211 Text B IIoT 214 New Words 218 Phrases 218 Abbreviations 219 Exercises 219 Reading Material 220 参考译文 226 IV 物联网专业英语教程（第2版） V 目录