It is a form of data entry that helps computers read credit CARDS.
它也是另一种形式的数据录入，可以帮助计算机读取信用卡。
Smart CARDS of plastic card are often held in 2000-8000 bytes of electronic data.
塑料卡智能卡通常举行的2000- 8000电子数据字节。
Smart CARDS of plastic card are often held in 2000-8000 bytes of electronic data.
塑料卡智能卡通常举行的2000- 8000电子数据字节。
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