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| Rebecca | |||
| aircraft radar | |||
| 飞机 雷达: 54 phrases in 10 subjects |
| Air defense | 15 |
| Aviation | 5 |
| Cartography | 1 |
| Construction | 1 |
| Earth sciences | 1 |
| Electronics | 8 |
| General | 16 |
| Shipbuilding | 1 |
| Space | 2 |
| United States | 4 |
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