The structure of the information systems was described with objects-related diagram. As for the discussion on all the object processes, the revised data flow diagram was also involved.
该方法用对象关系图描述信息系统的结构，用改进的数据流程图来描述每个对象内部处理关系。
The limits of the data flow diagram method were analysed and then the method of the object-oriented revised flow diagram were put forward.
分析了数据流程图方法的局限性，提出了一种基于对象的改进数据流程图方法。
The limits of the data flow diagram method were analysed and then the method of the object-oriented revised flow diagram were put forward.
分析了数据流程图方法的局限性，提出了一种基于对象的改进数据流程图方法。
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