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| 信息通信 | |||
| 报文通信; 电报通信 | |||
| message communication: 12 phrases in 9 subjects |
| Air defense | 1 |
| Aviation | 2 |
| Business | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| Information technology | 2 |
| Space | 1 |
| Technology | 1 |
| Telecommunications | 2 |
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