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距一距导航 | |||
圆一圆航法 |
range-range navigation : 122 phrases in 15 subjects |
Air defense | 7 |
Aviation | 31 |
Drilling | 2 |
Earth sciences | 4 |
Electronics | 12 |
General | 8 |
Geophysics | 4 |
Nautical | 3 |
Navigation | 2 |
Oil / petroleum | 6 |
Remote sensing | 1 |
Shipbuilding | 7 |
Space | 12 |
Surveying | 1 |
Technology | 22 |