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声能通量密度级; 声强级 |
sound-energy flux density level : 30 phrases in 11 subjects |
Artificial intelligence | 1 |
Automobiles | 5 |
Electronics | 1 |
General | 1 |
Geophysics | 1 |
Metallurgy | 1 |
Oil / petroleum | 1 |
Otorhinolaryngology | 5 |
Physical sciences | 2 |
Space | 4 |
Technology | 8 |