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acoustic method | |||
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acoustic method; acoustical method | |||
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acoustic method (ultrasonic method) |
声学法 : 17 phrases in 8 subjects |
Agriculture | 1 |
Earth sciences | 1 |
Electronics | 2 |
Name of organization | 1 |
Otorhinolaryngology | 1 |
Space | 1 |
Technology | 9 |
Water resources | 1 |