在一个条码符号里表示数个应用识别码字串。
The representation of several Application Identifiers in one bar code symbol.
介绍了二维条码符号表示及纠错码生成，给出二维条码用于信息隐藏技术的方法和途径，实现了用PDF417码传送信息，使通信信息更安全。
Methods that 2D-bar code uses in information hiding technology are given and translating information by PDF417 code is realized to make communication information more security.
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.
条码是一组按一定编码规则排列的条、空符号组合，用以表示一定的字符、数字及符号组成的信息。
Bar code is one kind of sign composed regularly with a group of bars and Spaces, which is used to represent the combination information of characters, Numbers and symbols.
条码是一组按一定编码规则排列的条、空符号组合，用以表示一定的字符、数字及符号组成的信息。
Bar code is one kind of sign composed regularly with a group of bars and Spaces, which is used to represent the combination information of characters, Numbers and symbols.
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