The bar code technology was applied in purchasing management. The coding purchasing information system was designed with the code 39, which was applied in the area of industry extensively.
将条形码技术应用于采购管理，利用广泛应用在工业领域的39码，设计了条形码采购信息编码库。
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。
Pineapple farmers in Ghana are using PDAs and bar coding technology to facilitate transport and increase crop yields.
加纳的菠萝种植农正使用掌上电脑和条码技术来促进运输和增加作物产量。
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