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decibels是什么意思

decibels

例句

Watch the monitor and tell me if the level goes above forty decibels. 看着监测器, 如果超过40分贝就告诉我。
decibels above kilowatt <电工>千瓦分贝
A normal conversation reaches 55 decibels. 普通的谈话即可达55分贝.
The typical lawn mower makes about 90 decibels of noise. 典型的割草机发出的声响约为90分贝.
However, psychologists distinguish between'sound " and " noise " .'sound " is measured physically in decibels. 然而, 心理学家把声音与噪声做了区别, 声音实际上可以用分贝来测量,而噪声却不能用同样的方法来测量.
Continuous exposure to sound above 80 decibels could be harmful. 持续暴露在强度高于80分贝的噪声中可能有害。

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