In this paper, the object-oriented method is applied to the software design of data acquisition system of plant ,a group of class about power plant is defined ,the func tion of data acquisition of plant is achieved. This will be ben efit to the system expansion and maintenance.%将面向对象技术应用于火力发电厂数据采集系统软件设计中,定义了一组针对发电厂的类库,实现了电厂数据采集系统的诸多功能,便于系统扩充与维护。
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