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audio singing | |||
ringing | |||
howling; singing (振荡) | |||
singing | |||
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singing | |||
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howling |
振鸣 : 59 phrases in 12 subjects |
Automobiles | 1 |
Aviation | 2 |
Communications | 1 |
Electronics | 3 |
General | 5 |
Information technology | 2 |
Nautical | 2 |
Oil / petroleum | 4 |
Otorhinolaryngology | 2 |
Space | 1 |
Technology | 15 |
Telecommunications | 21 |