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Title:
条形码工作原理
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Category:
技术管理
Tags:
[Text]
File Size:
3.36kb
Update:
2011-09-02
Downloads:
0 Times
Uploaded by:
super678@126.com
Description:
商品条形码是指由一组规则排列的条、空及其对应字符组成的标识,用以表示一定的商品信息的符号。其中条为深色、空为纳色,用于条形码识读设备的扫描识读。其对应字符由一组阿拉伯数字组成,供人们直接识读或通过键盘向计算机输人数据使用。这一组条空和相应的
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