For traditional modeling techniques, such as entity relationship diagram or data flow diagram, no specific test techniques are available to date.
对于传统的建模技术，例如实体关系图或数据流程图，没有可用的特定测试技术会过时。
It gives system Program Flow Chart and Data Flow Diagram and Structured Design Diagram and UML modeling Diagram.
并给出了系统的流程图、数据流图、系统设计的结构图和UML图。
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