This article introduces the IC Card Gas Meter Charge system's operation principle including the function, the system construction frame, the hardware architecture, the software flow diagram and so on.
介绍了IC卡煤气表收费系统的工作原理，主要包括其功能、系统结构框图、原理图及其软件流程设计等。
The hardware constitution and software frame of system is studied.
对系统的硬件构成和软件框架进行了研究。
Presents systemic frame of hardware and software.
给出了系统的硬件和软件框图。
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