decibel
decibel漢語(yǔ)翻譯
【計(jì)】 分貝
【醫(yī)】 分貝[耳](響度單位)
decibel英語(yǔ)解釋
名詞 decibel:
- a logarithmic unit of sound intensity; 10 times the logarithm of the ratio of the sound intensity to some reference intensity同義詞:dB
decibel詳細(xì)解釋
de.ci.bel
n.Abbr. dB(名詞)縮寫 dBA unit used to express relative difference in power or intensity, usually between two acoustic or electric signals, equal to ten times the common logarithm of the ratio of the two levels.分貝:通常表示兩個(gè)聲音信號(hào)或電力信號(hào)在功率或強(qiáng)度方面的相對(duì)差別的單位,相當(dāng)于兩個(gè)水平的比率的常用對(duì)數(shù)的十倍
來(lái)源:deci- deci-bel bel
最新應(yīng)用
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