The subsystem of Production MIS and principle for function module ofall subsystem have been analyzed, data class and data relation in each managementbusiness have been ascertained.

• 详细分析了生产MIS子系统以及各子系统功能模块划分的原则与依据，确定了与各项管理业务(过程)相对应的数据类及其数据依赖关系。