非接触式IC 卡工业水表及其售水系统的设计与实现-non-contact IC card sales and industrial water meter System Design and Implementation

水表自动抄表技术的发展过程及现状，包括机械水表、电子水表等各种类型水表；涉及mbus,无线通讯等通讯技术。-The development process and current situation of automatic meter reading technology, including mechanical water meter, electronic water meter and other types of water meter, involving MBus, wirele