...识最后一个条码符号;条码数据符(bar code character set)是表示特定信息的条码字符;条码校验符(bar code check character)是表示校验码的条码字符,用来判定 4 第2章条码技术的研究现状及PDF417编码原理此次识读是否有效,通常是一种算数运算的结果;工...
双语例句
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Sorting technologies in postal services, including optical character recognition (OCR), video complement and address check via barcode have reached the world's top level.