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声波探测 | |||
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声学探测 | |||
声波探测 | |||
声探测 | |||
声波探测 | |||
声检测 |
acoustical detection : 27 phrases in 12 subjects |
Agriculture | 1 |
Air defense | 3 |
Aviation | 4 |
Earth sciences | 3 |
Electric machinery | 1 |
Explosives and Explosive Ordnance Disposal | 2 |
Geophysics | 3 |
Multimedia | 1 |
Name of organization | 1 |
Rail transport | 1 |
Space | 5 |
Technology | 2 |