光频率调制light: vi. (lit 或 lighted) 1.〔古语〕下马 ...frequency modulation: 【电学】调频,频率调制;调频播送。 frequency of modulation: 调剂频率frequency-modulation: 频率调制modulation frequency: 灯频率; 调频; 调制频率下载手机词典可随时随地查词查翻译