acoustic intensity unit
常见例句
- 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的十倍。 返回 acoustic intensity unit