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制导导航 : 202 phrases in 15 subjects |
| Air defense | 8 |
| Astronautics | 1 |
| Automobiles | 1 |
| Aviation | 68 |
| Biophysics | 1 |
| Earth sciences | 2 |
| Electronics | 32 |
| General | 8 |
| Information technology | 1 |
| Life sciences | 1 |
| Navigation | 2 |
| Radio | 1 |
| Space | 57 |
| Technology | 17 |
| United States | 2 |
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