交互调变杂讯 intermodulation noise: 互惦声; 互调噪声intermodulation (im); cross modulation: 交调equipment intermodulation noise: 设备互调噪声feeder intermodulation noise: 馈线互调噪声intermodulation noise loss: 互调噪声损耗下载手机词典可随时随地查词查翻译