短語詞組短語attenuation distortion [通信]衰減失真;[電子]衰減畸變;振幅失真;與減弱失真signal attenuation 信號衰減attenuation distance [天]衰減距離cable attenuation 電纜衰減attenuation characteristic 衰減特性;衰減性能;消聲特性;衰減特征attenuation losses 衰減損失spatial attenuation 空間衰減Output attenuation 輸出衰減attenuation quotient 衰減系數(shù)attenuation coefficient [電]衰減系數(shù)noise attenuation 噪聲衰減sound attenuation 消音，聲衰減attenuation constant 衰減常量；減幅常數(shù)power attenuation 功率耗損attenuation factor 衰減因數(shù)acoustic attenuation 聲衰減attenuation curve 衰減曲線attenuation measurement 衰減測量，減弱測定 返回 attenuation