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| диапазон слышимости; восприимчивость слуха к звуковым волнам; слуховой порог | |||
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听阈 : 10 phrases in 5 subjects |
| Education | 2 |
| Electronics | 2 |
| General | 3 |
| Medical | 2 |
| Nautical | 1 |
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