[電] 移頻電報術 frequency shift: 頻率偏移頻移; 移頻frequency-shift: 頻率偏移; 移頻,調(diào)頻shift frequency: 漂移頻率; 移頻narrow shift frequency shift keying: 窄移頻鍵控audio frequency shift keying: 聲頻移頻健控下載手機詞典可隨時隨地查詞查翻譯