在传统二维系统中，一般用二维符号来表述。
In traditional 2D system, they are usually showed by 2D symbols.
现在我们让问题变得复杂点：你有一个二维的无符号整形数组，你想要找到具有最小和的那一行。
Now let's complicate the problem a bit: you have a two-dimensional array of unsigned integers, and you want to find the row with the smallest sum.
数学公式的识别不仅只是公式中符号的识别，其还包括了公式抽取，公式二维结构的记录等方面的研究。
Optical Formula Recognition is not only the sign of formula recognition, but also include the extraction of the formula, the record of two dimension structure of the formula and so on.
二维码符号的打印方法，打印机，驱动器及存储介质。
Printing method for two-dimensional code symbol, printer, drive and memory medium.
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.
为了实现二进制加法符号替换规律，本文提出了一种简单的光逻辑系统，它仅包括一片二维列阵光学双稳器件。
For realizing symbolic substitution rules of binary addition. This paper proposes a simple optical logic system which includes only one 2-d array of optical bistable device.
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.
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.
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