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| 操作保障中心 | |||
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| 作战支持中心 | |||
| English thesaurus | |||
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| OSC | |||
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| OSC | |||
| operations support center: 9 phrases in 5 subjects |
| Air defense | 1 |
| Aviation | 4 |
| Electronics | 1 |
| General | 1 |
| Space | 2 |
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