data flow diagram(dfd) meaning in English
数据流程图
Examples
- Meanwhile , according to the process of real - time multitask design , data flow diagram ( dfd ) of ert software is constructed and application software is developed by the dfd
软件设计采用结构化方法，按照实时多任务设计流程，完成系统数据流图和应用软件的设计。 - The author analyzed the business process of the third party logistics at first . then discuss the basics step and process of constructing a distribution system , and this process include the analysis of target layout the flow of data , the function and the structure . at last , the author describe the summary design the database design , the logic model design , the network model design , data flow diagram ( dfd ) , entity - relationship ( e - r ) , data table
文章首先结合信息系统的设计要点和原则对第三方物流配送中心的业务流程进行分析，在此基础上进一步对系统的信息处理流程进行分析；在第6章，文章对系统的概要设计、逻辑模型的设计、数据库设计、网络模型设计几个方面进行了论述，特别是在配送系统的系统设计过程中，比较详细了地讨论了数据库的设计过程，包括数据流程图、 e - r图、数据表的创建等。 - By introducing data flow diagram ( dfd ) in software design into information modeling for engineering design process , this paper proposes a novel and powerful approach to information modeling and re - engineering which is based on dfd and design structure matrix ( dsm ) after analyzing the existing modeling techniques comprehensively
摘要在综合分析现有建模技术的基础上，将软体设计中的数据流图引入工程设计过程的信息建模，提出了一种基于数据流图和设计结构矩阵进行信息建模和重组的新方法。 - To solve the knowledge abstraction in knowledge sharing and information integration , an ontology - based method which is comprised of the object oriented analyzing ( ooa ) , data flow diagram ( dfd ) , material flow diagram ( mfd ) to build knowledge system ( ontology repertoire ) , and fuzzy clustering to validate it , is proposed
摘要为解决目前企业中信息共享和集成过程中的知识抽取问题，根据本体的体系结构提出了一种符合本体规则的企业知识抽取的方法，即结合面向对象分析方法、数据流图分析方法和物料流图分析方法构建石化企业的本体库，应用模糊聚类的方法对其进行准确性检验。