中频级intermediate frequency: 【无线电】中频。 stage: n. 1.讲台;舞台;戏院,剧场;〔the stage〕 ...intermediate-frequency (if) stage: 中频级intermediate-frequency stage: 中频级sound intermediate frequency stage: 伴音中频放大级下载手机词典可随时随地查词查翻译