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| marine navigation; ship navigation | |||
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航海导航 : 65 phrases in 12 subjects |
| Air defense | 2 |
| Aviation | 8 |
| Company name | 1 |
| Earth sciences | 8 |
| Electronics | 4 |
| General | 3 |
| Nautical | 1 |
| Navigation | 6 |
| Oil / petroleum | 2 |
| Space | 7 |
| Technology | 18 |
| United States | 5 |
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