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high-frequency sound | |||
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high frequency sound |
高频 声 : 35 phrases in 14 subjects |
Automobiles | 2 |
Aviation | 1 |
Earth sciences | 1 |
Electronics | 2 |
General | 6 |
Geophysics | 1 |
Metallurgy | 1 |
Oil / petroleum | 1 |
Otorhinolaryngology | 1 |
Project management | 1 |
Space | 1 |
Technology | 15 |
Telecommunications | 1 |
Water resources | 1 |