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空中活动
| 情报处
| 空中活动 | |
| gen. | air movements |
| 情报处 | |
| gen. | intelligence department; Information Service |
| archit. | information office |
| manag. | intelligence office |
| mil., air.def. | intelligence division |
| tech. | information office |
| textile | intelligence bureau |
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| air movements | |||
| 空中活动: 10 phrases in 5 subjects |
| Aviation | 4 |
| General | 3 |
| Nuclear physics | 1 |
| Technology | 1 |
| Wind Energy | 1 |