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| 空袭警报美 | |||
| 空中警戒; 升空警戒 | |||
| air warning: 40 phrases in 9 subjects |
| Air defense | 4 |
| Automobiles | 7 |
| Aviation | 7 |
| Ecology | 1 |
| Electronics | 6 |
| General | 7 |
| Information technology | 1 |
| Space | 5 |
| Technology | 2 |
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