The two most common types are the American UPC and the EAN .

两种最常用的条码是美国的“环球产品代码”和“欧洲货物号码”。

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The two most common types are the American UPC and the EAN .

两种最常用的条码是美国的“环球产品代码”和“欧洲货物号码”。

youdao