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| 交流组 | |||
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| 通信装置; 通信设备 | |||
| 通信单元 | |||
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Communication Unit : 60 phrases in 13 subjects |
| Agriculture | 1 |
| Air defense | 2 |
| Aviation | 7 |
| Business | 2 |
| Communications | 1 |
| Computer networks | 1 |
| Earth sciences | 1 |
| Electronics | 19 |
| Information technology | 4 |
| Metallurgy | 1 |
| Space | 10 |
| Technology | 7 |
| Telecommunications | 4 |