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| decibel A unit used to express relative difference on power, usually between acoustic or electric signals, equal to ten times the common logarithm of the ratio of the two level | |||
| equivalent continuous sound level | |||
| decibel | |||
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| decibel | |||
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| dBA | |||
| decibel: 2 phrases in 2 subjects |
| General | 1 |
| Transport | 1 |