UPC-A the Universal Product Code that is widely used in Canada and the United States for tracking trade items in stores.

UPC - A通用产品代码，广泛用于加拿大和美国，用于跟踪商店中的交易物品。

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This code is called the universal product code( UPC), It is designed to add speed and efficiency to stores by using computers.

这种条形码叫做产品的统一条形码（PC）它的目的是通过使用计算机提高商店的营业速度和效率。

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