To address the problem of automatic acquisition of the two-dimensional code information of large amounts of drugs in the national veterinary product traceability information system, through comparing four different acquisition proposals and finding that the off-line rotation positioning acquisition method is a stable, accurate two-dimensional code information collection method.%为解决国家兽药产品追溯信息系统中大批量药品二维码信息自动化采集问题,通过四种不同采集方案的比较发现,线外旋转定位采集法是一种稳定、精确的二维码信息采集方法。
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