根据系统功能需求，使用ERWin描述该管理信息系统的概念模型。

2．明确管理业务调查过程和方法，包括典型组织机构、管理功能及业务流程。

３．明确数据流程的调查与分析过程，绘制数据流程图，编制数据字典。

４．在上述工作基础上，完成管理系统的系统化分析，提出新系统的逻辑方案

-The system functional requirements, the use of ERWin management information system describing the conceptual model. 2. A clear management process and methods of investigation, including the typical organizational structure, management functions and business processes. 3. A clear process of investigation and data analysis, data flow diagram drawing, preparation of data dictionary. 4. The basis of the above work, complete management system for systematic analysis of the new system of logic programs