光: light; ray符号: character; sign; symbol; mar ...卡: wedge; get stuck; be jammed读出器: reader; sensor标记卡读出器: mark sheet reader穿孔卡读出器: perforated card reader; punched-card reader光标记卡读出器: optical mark card reader符号读出器: character reader光学符号读出器: optical character reade标记卡读出: mark card sensing光符读出: optical character read符号卡片: mark card符号卡片组: symbolic deck读出器: reader; sensor◇读出器指示灯 reader light光符号识别: optical character recognition闪光符号: flashing symbol光符字体读出: optical font sensing光符号识别机: optical character recognition machine光符号阅读器: optical character reader辩证读出器: dialectic sensor标记读出器: mark reader; mark se e reader; mark sense reader标签读出器: tag reader标志读出器: mark sense reader程序读出器: program reader; programreader磁槽读出器: magnetic slot reader
