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声速 | |||
音声速 | |||
声速度 | |||
声波速度; 音速 | |||
声速 (度) | |||
声速度 | |||
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声波速度 |
acoustic velocity : 28 phrases in 9 subjects |
Aviation | 3 |
Drilling | 1 |
Earth sciences | 3 |
Engineering geology | 1 |
Explosives and Explosive Ordnance Disposal | 3 |
Geophysics | 6 |
Hydroelectric power stations | 1 |
Oil / petroleum | 3 |
Technology | 7 |