| 姓名：江华圣著 作者简介： 作品：《电信技术专业英语》 |
| part one unit one text digital communications reading material a the technology——mans reading material b digital communications technology reading material c keypad unit two text antennas reading material a networking reading material b electrical engineering reading material c ufo unit three text a brief history of satellite communications reading material a satellite communications reading material b microwave communications system reading material c communication satellite unit four text data communication reading material a laser reading material b electricity-generation and transport reading material c light waves test 更多 |
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