【摘要】 新型射频十计算机ＰＯＳ售饭系统采用双机热备份工作方式，服务器与各窗口机之间采用实时联网通信．以射频卡为媒体，该系统实现了食堂售假微机化，具有安全、可靠、稳定、快速等优点。更多还原

【Abstract】 The new type computer-based POS system for selling meals with using contactless smart card works in the mode of system failure-tolerant based on transaction tracking principle, the real-time network communication between the server and the POS machine is used. Taking contactless smart card al medium, the computer-based management of selling meals has been realized, and there are advantages of safety, accuracy, stability and quick etc. in the system.更多还原