The default values in the field would most likely be retrieved from a database or operational system, using the UPC symbol as the key value.

字段中的默认值很可能是通过使用upc符号作为键值从一个数据库或运营系统中检索到的。

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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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A UPC number consists of a Company Prefix and a Product number.

UPC编号包含公司前缀和产品编号。

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Yes, provided you're the type who is willing to cut out a UPC code and mail it, along with a receipt to claim a product rebate, answers Scharin.

FORBES: Magazine Article

When he heard that a chunk of UPC parent UnitedGlobalcom was on the block last month, he jumped on it.

FORBES: John Malone plays Europe

The voluntary national recall includes 2.5-ounce packages of raisin cookies with a "best if used before" date before June 30, 2009, with UPC codes 3010032708 and 3010037899, the company said in a written statement posted on its Web site.

CNN: Supermarket chain joins peanut-product recall