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| operational center | |||
| operations center | |||
| 作战中心: 173 phrases in 8 subjects |
| Air defense | 18 |
| Aviation | 42 |
| Electronics | 41 |
| General | 11 |
| Space | 36 |
| Technology | 1 |
| United Kingdom | 2 |
| United States | 22 |
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