... exponential phase growth 释义：对数生长期,指数生长期 logarithm unit 释义：对数单位,对元 lognormal distribution 释义：对数正态分布 ...
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A 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.
分贝通常表示两个声音信号或电力信号在功率或强度方面的相对差别的单位，相当于两个水平的比率的常用对数的十倍。
A unit for measuring power. The number of nepers is the logarithm (base e) of the ratio of the measured power levels.
声音强度对数单位；等于音强或功率比值的常用对数乘以。
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