... per capita rate 按只计算的津贴率〔禽畜饲养〕 perceived noise level 感知噪音声级 perchloroethane 全氯乙烷 ...
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effective perceived noise level 有效感觉噪声级 ; 实际感觉噪声级
equivalent continuous perceived noise level 等效连续感觉噪声级
perceived noise level in decibels 感觉到的噪声分贝
According to the standard of aircraft noise environment around Airport (GB9660-88), LWECPN (Weighted Equivalent Continuous Perceived noise Level) is selected as noise metrics.
根据《机场周围飞机噪声环境标准(GB9660 - 88)》，以计权等效连续感觉噪声级LWECPN作为机场噪声评价量。
The level of background noise affects both the intensity of flavour and the perceived crunchiness of foods, researchers have found.
研究人员发现，背景声音的大小影响食物的味道强度以及口感。
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