Based on the analysis of business needs, functional requirements, data demands and performance requirements this paper presents data flow diagram of the system.
本文在对业务需求、功能需求、数据需求和性能需求进行分析的基础上给出了系统的数据流图。
The data flowchart and system functional diagram are presented.
给出了数据流程图和系统功能模块图。
The data flowchart and system functional diagram are presented.
给出了数据流程图和系统功能模块图。
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