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介绍了煤炭工业调度信息系统的系统目标、功能模块以及系统的运行环境，给 出了系统的网络体系结构图及业务处理子系统结构图和数据流程度。
The system objective, function module and operating environment of coal industry dispatching information system are introduced. The network architecture diagram, business process subsystem structure diagram and data flow degree of the system are given.