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velocity-measure system | |||
velocity-measuring system | |||
range rate tracking system |
测速 系统 : 38 phrases in 11 subjects |
Air defense | 1 |
Aviation | 4 |
Earth sciences | 5 |
Electronics | 8 |
General | 1 |
Geophysics | 1 |
Nautical | 1 |
Rail transport | 1 |
Space | 13 |
Technology | 2 |
United States | 1 |