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建立计算机管理信息系统是企业管理走向现代化、科学化的一条重要途径。是保证决策实施的有力工具。铁道部第三勘测设计院自1988年以来。已初步建立起了一套运行有效的管理信息系统网络(TIR—MIS)。一、TIR—MIS管理信息系统的构成与功能系统结构分为系统逻辑结构和系统物理结构。系
Establishing a computerized management information system is an important way for the enterprise management to be modernized and scientifically oriented. It is a powerful tool to ensure the implementation of decision-making. Ministry of Railways Third Survey and Design Institute since 1988. A set of operational management information system network (TIR-MIS) has been initially established. First, TIR-MIS management information system composition and function System structure is divided into system logic structure and system physical structure. system