数据流程模型 meaning in English
data flow model
Examples
- However , these two views are static . data flow modelling does not show the sequence of processing while logical data modelling does not indicate how the data changes with time
可是，这两个观点是静态的；数据流程模型没有说明工序发生的先后，而逻辑数据模型则没有说明数据如何随著时间而改变。 - The data flow modelling technique is used during the analysis phase to provide a common vehicle , in the form of diagrams and associated descriptions , to communicate with users and among developers
数据流程模型数据流程模型是在系统分析阶段时所使用的技巧。这个模型以图表及辅以文字的方式，来作为系统发展人员之间及与用户沟通的共通方法。 - It investigates the information flow associated with the services currently provided , and describes them in the form of data flow model . at this point , the data flow model represents the current services with all their deficiencies
这个步骤是要调查现时所提供服务的相关资讯流程，并以数据流程模型描绘出来。在这步骤所制成的数据流程模型只需勾划出现有服务及其不足处，而毋须把需要改善的地方或新设施辑纳在内。