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[今日口语] She is in a quandary about which university to choose.

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universal product code

通用产品代码，通用货单代码

同：	[n.] bar code

universal product code (UPC);Bar code
商品条码收藏
Universal Product Code
条形码收藏
"The scanning laser beam was an ideal device for reading these markings, and so the Universal Product Code was born."
能进行扫描的激光是一阅读这些标志的理想手段，因而通用条形码便应运而生了。收藏

名词解释：

code consisting of a series of vertical bars of variable width that are scanned by a laser; printed on consumer product packages to identify the item for a computer that provides the price and registers inventory information
[同] bar code, universal product code

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