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test-fly | |||
in-flight test | |||
test fly | |||
flight test | |||
experimental flight | |||
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flight calibration |
飞行试验: 359 phrases in 11 subjects |
Air defense | 2 |
Aviation | 152 |
Business | 4 |
Earth sciences | 1 |
Electronics | 19 |
General | 14 |
Military | 1 |
Missiles | 2 |
Space | 153 |
Technology | 3 |
United States | 8 |