光符阅读机 optical character reader

光学字符辨识机 optical charcter recognition machine

光学字符识别机 optical character recognition engine ; optical character recognition device

光符阅览机 optical character reader

光符涉猎机 optical character reader

光学符号阅读机 optical mark reader

光符浏览机 optical character reader

光字符阅读机 Optical Character Reader ; optical mark reader

先进光学符号阅读机 AOCR ; Advanced Optical Character Reader

光符号识别机 optical character recognition machine