基本解釋[經(jīng)濟學(xué)]聲強儀英漢例句雙語例句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.分貝通常表示兩個聲音信號或電力信號在功率或強度方麪的相對差別的單位，相儅於兩個水平的比率的常用對數(shù)的十倍。acoustic intensity unit更多例句詞組短語短語acoustic c intensity unit 聲強儀acoustic intensity unit更多詞組專業(yè)釋義經(jīng)濟學(xué)聲強儀