dfd data flow diagram 中文意思是什麼

dfd data flow diagram 解釋
數據流程圖
  • dfd : 暗乾肉
  • data : n 1 資料,材料〈此詞系 datum 的復數。但 datum 罕用,一般即以 data 作為集合詞,在口語中往往用單數...
  • flow : vi 1 流,流動。2 (血液等)流通,循環。3 流過;川流不息;(時間)飛逝;(言語等)流暢。4 (衣服、...
  • diagram : n. 圖,圖形,圖解;【數學】作圖。 a diagram of an engine 發動機設計圖。vt. (-gram(m)ed; -gram(m)ing) 用圖表示,圖解。
  1. 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

    軟體設計採用結構化方法,按照實時多任務設計流程,完成系統數據流圖和應用軟體的設計。
  2. The feasibility study of this project and the method and process of structured system analysis are introduced in succession. the primary content of requirement investigation and the function requirements are presented. partial operations in this field are described using operation flow diagram and the process of disassembling and analysis of this system is described using layered dfd ( data flow diagram )

    首先簡要介紹了技術方案的選擇和項目的可行性研究;接著簡要介紹了結構化分析法的方法步驟,介紹了本項目需求調查的主要內容,並用業務流圖對應用領域的部分業務進行了描述;用分層數據流圖描述了對系統的分解和分析過程,較詳細地描述了系統的功能需求。
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