雙向條碼bar code: (商品上示價的)條紋碼。 bidirectional multifrequency code: 雙向多頻電碼code bar: 代碼條; 碼條of bar code: 三九條碼bar code, bar code reader: 條碼,條碼閱讀器; 條形碼,條形碼閱讀器下載手機詞典可隨時隨地查詞查翻譯