The most usual system is that of the decibel scale.最常用的系统为分贝标度系统.The decibel level was mounting.噪音在增强。A measure of sound intensity equivalent to one decibel at 1000 Hz.一种声强的量度单位,其值等价于1000Hz1分贝.The decibel level was mount...
The decibel level was mounting.噪音在增强。The most usual system is that of the decibel scale.最常用的系统为分贝标度系统.A measure of sound intensity equivalent to one decibel at 1000 Hz.一种声强的量度单位,其值等价于1000Hz1分贝....