acoustical attenuation constant 声能衰减常数...valley attenuation 谷值衰减...adjacent channel attenuation 相邻波道衰减...echo attenuation 回波衰减...attenuation n.变稀薄,变纤细,衰减衰减弱...radio attenuation 无线电衰减...image attenuation constant 影像衰减常数...voltage attenuation 电压衰减...image attenuation 图像衰减...harmonic attenuation 削谐...attenuation pad 衰减器...iterative attenuation coefficient 累接衰减系数...spurious-response attenuation 混附响应衰减...baseband attenuation 基带衰减...neutron attenuation 中子衰减...attenuation network 衰减网路...second-channel attenuation 第二波道衰减...attenuation constant 衰减常数衰减常量...feedback attenuation 回馈衰减...attenuation coefficient 衰减系数...virulence attenuation of 毒力减弱...
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