[電子] 振幅頻譜 amplitude frequency spectrum: 振幅頻譜amplitude spectrum: 變幅譜; 幅值譜; 振幅頻譜; 振幅譜spectrum amplitude: 頻譜幅度; 譜幅amplitude frequency: 幅頻amplitude-frequency: 幅度頻率下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯