optical document reader光: light; ray文件: document; file; papers; inst ...閱讀機(jī): reading machine; reader文件閱讀機(jī): document reader文件閱讀機(jī)子系統(tǒng): document reader subsystem下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
