磁卡、ＩＣ卡的性能及发展趋势吴明随着经济的高速发展，世界已进入一个信息时代。在人们的经济活动及社会生活中，各种各样的信息交往越来越频繁，交换的信息量也越来越大。为了加快信息传递、交换和处理速度，保证其安全性、可靠性和方便性，各种形式的卡应运而生。按卡... Magnetic cards, IC card performance and development trend Wu Ming With the rapid economic development, the world has entered an information age. In people’s economic activities and social life, all kinds of information exchanges are more frequent and more information is exchanged. In order to speed up the transfer of information, exchange and processing speed, to ensure its safety, reliability and convenience, various forms of cards came into being. Press card ...