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Doppler range rate measurement |
多普勒测速 : 55 phrases in 11 subjects |
Aviation | 4 |
Earth sciences | 10 |
Electronics | 11 |
General | 1 |
Geophysics | 2 |
Hydroelectric power stations | 1 |
Navigation | 3 |
Oil / petroleum | 2 |
Space | 10 |
Technology | 9 |
Wind Energy | 2 |