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| |||
| 声频段 | |||
| 话频段 | |||
| 音频级; 音阶〔频〕 | |||
| 话音频段 | |||
| 话音级; 适于传送话音模拟数据或传真的线路,电路，信道; 适于传送话音模拟数据或传真的线路，电路，信道 | |||
| English thesaurus | |||
| |||
| VG | |||
|
voice grade : 15 phrases in 7 subjects |
| Aviation | 1 |
| Information technology | 8 |
| Multimedia | 1 |
| Oil / petroleum | 1 |
| Project management | 1 |
| Space | 1 |
| Telecommunications | 2 |
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