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| 雷达导航 | |||
| radar navigation: 91 phrases in 10 subjects |
| Air defense | 13 |
| Aviation | 13 |
| Earth sciences | 2 |
| Electronics | 14 |
| General | 6 |
| Geophysics | 4 |
| Nautical | 1 |
| Shipbuilding | 1 |
| Space | 17 |
| Technology | 20 |
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