联网电子收费系统涉及无线通讯、智能卡技术、信息安全、系统集成、测试技术等多个领域。
The standardization of Unified ETC System will be involved with wireless communication, CPU IC, information security, system integration, testing etc.
文章首先介绍智能卡的结构及工作原理，然后介绍智能卡在巴士自动收费系统中的应用，最后讨论智能卡的发展前景。
First, the structure and principle of small card are introduced. Then, the smart card application in bus automatic fare collection system is introduced. Final, the future for smart card is discussed.
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