国家通信系统 | |
earth.sc. | national communications system |
mil., air.def. | national communication system |
运行中心 | |
tech. | operational center; operations center |
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national communication system | |||
national communications system | |||
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national communications system |
国家通信系统 : 19 phrases in 5 subjects |
Aviation | 3 |
Earth sciences | 2 |
Electronics | 10 |
Space | 2 |
United States | 2 |