The Universal Product Code symbol, also known as the 'bar code', is printed on products for sale and contains information that a computer can read.
通用产品代码符号，亦称“条形码”，印在出售的商品上，其中含有计算机能识别的信息。
Scan a bar code and it retrieves product information, including prices atonline merchants and local stores (in case you are in the mood to haggle).
扫描条形码，它会提取产品信息，包括网上和附近商店价格（以防你打算讨价还价）。
On the back of the card, a 2d bar-code along with a regular one and a magnetic stripe triplicate all the information on the front.
在卡背面，2d条形码，普通码和磁条将所有信息三重储存在卡正面。
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