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| 电文格式 | |||
| 消息格式; 报文格式 | |||
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message format : 26 phrases in 9 subjects |
| Air defense | 1 |
| Aviation | 3 |
| Computer networks | 1 |
| Electronics | 7 |
| Information technology | 7 |
| Multimedia | 1 |
| Space | 1 |
| Technology | 2 |
| Telecommunications | 3 |
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