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将智能手机设计成为一个支付终端
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2012-12-17
tianju
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Abstract: Developing a sophisticated and secure point-of-sale (POS) terminal can be a challenge. In addition tosecurity concerns and standards, increasing development costs can put a constraint on designs. This article explainshow to design POS equipment with numerous value-added features at a low cost, by taking advantage of thedevelopment efforts made by the cell phone industry.
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