调频雷达frequency modulation: 【电学】调频,频率调制;调频播送。 radar: n. 〔美国〕【无线电】 〔radio detectin ...frequency modulation radar transmitter: 调频雷达发射机frequency of modulation: 调剂频率frequency-modulation: 频率调制下载手机词典可随时随地查词查翻译