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单词 perceived noisiness
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perceived noisiness
perceived noisiness n. the amount or degree of perceived noise.
ΚΠ
1959 K. D. Kryter in Jrnl. Acoustical Soc. Amer. 31 1425/1 The translation from perceived noisiness in noys to perceived noise level in PNdb is expressed by the equation PNdb = (1.2 t log10N)/0.03, where N is the number of noys.
1993 Jrnl. Sound & Vibration 164 425 (title) The relationship between vehicle noise measures and perceived noisiness.
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