The Universal Product Code symbol, also known as the 'bar code', is printed on products for sale and contains information that a computer can read.
通用产品代码符号，亦称“条形码”，印在出售的商品上，其中含有计算机能识别的信息。
Based on digital image processing and combined coding theory, two-dimensional matrix bar code is a symbol system processed automatically using image recognition technology.
作为二维条码的一种，矩阵式的二维条码是建立在计算机图像处理技术、组合编码原理等基础上的一种图形符号自动识读处理码制。
Based on digital image processing and combined coding theory, two-dimensional matrix bar code is a symbol system processed automatically using image recognition technology.
作为二维条码的一种，矩阵式的二维条码是建立在计算机图像处理技术、组合编码原理等基础上的一种图形符号自动识读处理码制。
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