在此基础上，本文再详细地研究了联网收费系统的通行费清算方法； …
On these bases, work up charge fee clearing methods use in the Networked toll collection system;
你知道吗？你的系统在互联网是不收费的？
You know your system is available for free on the Internet now, right?
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.
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