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单词
noise rating number
释义
noise rating number
noise rating number
[
′nȯiz ′rād·iŋ ‚nəm·bər
]
(acoustics)
The perceived noise level of the noise that can be tolerated under specified conditions; for example, the noise rating number of a bedroom is 25, that of a workshop is 65.
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更新时间:2025/7/1 0:48:54