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声频率; 音频率 | |||
音频 | |||
声响频率; 声频 |
sound frequency : 33 phrases in 13 subjects |
Animal husbandry | 1 |
Automobiles | 2 |
Aviation | 1 |
Electronics | 1 |
Geophysics | 1 |
Metallurgy | 1 |
Nautical | 4 |
Nursing | 1 |
Project management | 1 |
Rail transport | 4 |
Reproductive biology | 1 |
Space | 2 |
Technology | 13 |