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应急通信 | |||
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应急通讯 | |||
应急通信 | |||
事故通信 | |||
紧急通信 |
emergency communications: 60 phrases in 12 subjects |
Air defense | 3 |
Aviation | 6 |
China | 1 |
Communications | 4 |
Computer networks | 1 |
Electronics | 18 |
Nautical | 1 |
Rail transport | 1 |
Space | 12 |
Technology | 11 |
Telecommunications | 1 |
United States | 1 |