冲击音衰减
Reduction of Transmitted Impact Noise
隔音量量测法
Sound insulation Measurement
近端串音衰减
near end crosstalk attenuation
crosstalk attenuation
near end
录音音量指示器
sound recording volume indicator
远程串音衰减
far end crosstalk attenuation
crosstalk attenuation
far end
变形模量衰减率
attenuation rate of modulus
波的能量衰减
attenuation of wave energy
产量衰减曲线
production decrement curve