In the part of requirement analyzation, the system is divided into two partation, the integration platform and network examination based on the platform. Then the data flow diagrams are founded.
在需求分析部分,将项目的需求按照信息化集成平台以及基于此平台的网络考试系统两个部分进行了详细分析,并构建了系统的数据流图。
参考来源 - 基于SOA技术的网络考试系统架构的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
In many ways, activity diagrams are the object-oriented equivalent of flow charts and data-flow diagrams (DFDs) from structured development.
在很多方面，活动图是结构化开发中流程图和数据流程图(DFD)的面向对象等同体。
It covers data flow diagrams and several formal specification techniques, such as relational notations, state notations, regular expressions, and so on.
它覆盖了数据流图和一些正式的规范技术，如关系记号，状态记号，规则表示法等等。
One way this occurs is by confusing data flow diagrams with use case diagrams.
发生的方式之一是将数据流图和用例图混淆在一起。
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