光学: optics; photology; photics符号: character; sign; symbol; mar ...读出器: reader; sensor光学符号读出: optical character recognition符号读出器: character reader光学符号读取: optical mark reader符号读出: mark reading; mark se ing; mark sensing符号读出机: mark sensing machine符号读出行: mark-sensing row符号读出卡片: mark sensed card; mark sensing card字母读出器，记号读出器: character reader光学符号识别: ocr光学符号识别机: optical character recognition machine光学符号阅读机: optical mark reader光学符号阅读器: ocr reader光符号卡读出器: optical mark card reader光学字符识别，光学符号识别: ocr optical character recognition; optical character recognition光学标志读出器: optic mark reader; optical mark reader; opticmark reader光学代码读出器: optical code reader光学字符读出器: optical character reader光学字母读出器: ocr光学标志读出器光学指示读出器: omr光学符号识别通用语言: optical character recognition common language先进光学符号阅读机: aocr程序号读出: sequence number readout; sequence-number readout
