说明：  详细阐述了组态软件中图形子系统、数据 库子系统、报表子系统和通讯子系统中一些基本功能的设计与实现以及所采用 的一些关键技术。
(Described in detail in the graphics configuration software subsystem, database subsystem, subsystems and communications subsystems Report some of the basic functions of the design and implementation, as well as used by some of the key technologies.)