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声发射 | |||
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声排放; 声污染; 噪声排放 | |||
声发[辐]射 | |||
声波发射 | |||
声波发射 | |||
声发射 |
acoustic emissions : 36 phrases in 10 subjects |
Aviation | 2 |
Earth sciences | 2 |
Electric machinery | 1 |
Engineering geology | 3 |
Explosives and Explosive Ordnance Disposal | 2 |
Geophysics | 2 |
Hydroelectric power stations | 2 |
Metallurgy | 2 |
Space | 8 |
Technology | 12 |