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| communications control center | |||
| communication control center | |||
| 通信控制中心: 21 phrases in 9 subjects |
| Air defense | 2 |
| Aviation | 1 |
| Earth sciences | 1 |
| Electronics | 6 |
| Mining | 1 |
| Project management | 1 |
| Space | 4 |
| Technology | 2 |
| United States | 3 |
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