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智能卡在银行、金融、保密单位的使用很广泛,而且越来越成为人们日常生活的一个不可缺少的东西,对其原理进行基本了解是很有意义的。
The use of smart card in banking, finance and confidential units is very extensive, and more and more become an indispensable thing in people’s daily life. It is very meaningful to make a basic understanding of its principle.