應答頻率編碼 reply frequency coding: 應答頻率編碼reply frequency: 應答頻率frequency coding: 頻率編碼double frequency coding: 雙頻編碼; 雙頻率編碼double-frequency coding: 雙頻率編碼下載手機詞典可隨時隨地查詞查翻譯