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| 卫星通信系统 | |||
| satellite communication system: 58 phrases in 10 subjects |
| Air defense | 5 |
| Aviation | 5 |
| Cartography | 1 |
| Earth sciences | 3 |
| General | 3 |
| Management | 1 |
| Space | 33 |
| Technology | 3 |
| Telecommunications | 2 |
| United States | 2 |
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