Check Digit Calculator Number FormatNumberCheck Digit UPC-A[info] EAN-13 SCC-14, GTIN SSCC-18 EAN-8 ISBN (10-digit only; 13 digit use EAN-13) BLN (Bill of Lading) Number Converter ConversionNumberResult UPC-A → UPC-E UPC-E → UPC-A ...
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条形码/条码/Barcode, 是由宽度不等的黑白条纹,按照一定的编码规则组成矩形的图案(特定黑白条纹相应代表某个字符或数字),用以表达一组信息。 条形码的功能是可以被机器读取,用条码扫描器扫描,即可将条形码的黑白条纹转换成字符或数字,并输入到电脑。 例如:超市的每种商品包装上都印有一个条形码,这条形码代表一个12位...