- physical data flow diagram
- n.物理数据流图
English-Chinese dictionary of mining (英汉矿业大词典). 2013.
English-Chinese dictionary of mining (英汉矿业大词典). 2013.
Data flow diagram — example.[1] A data flow diagram (DFD) is a graphical representation of the flow of data through an information system, modelling its process aspects. Often they are a preliminary step used to create an overview of the system which can later be… … Wikipedia
Data model — Overview of data modeling context: A data model provides the details of information to be stored, and is of primary use when the final product is the generation of computer software code for an application or the preparation of a functional… … Wikipedia
Activity diagram — An activity diagram is a diagram that shows activities and actions to describe workflows. [ [http://highered.mcgraw hill.com/sites/0077110005/student view0/glossary.html Glossary of Key Terms] at McGraw hill.com. Retrieved 20 July 2008.] In the… … Wikipedia
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Network diagram — A network diagram is a general type of diagram, which represents some kind of network. A network in general is an interconnected group or system, or a fabric or structure of fibrous elements attached to each other at regular intervals.A network… … Wikipedia
Material flow analysis — 3R Concepts Waste Disposal Hierarchy Reduce Reuse Recycle Barter Dematerialization Downcycling Dumpster diving Ecode … Wikipedia
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Communications protocol — For other senses of this word, see Protocol. A communications protocol is a system of digital message formats and rules for exchanging those messages in or between computing systems and in telecommunications. A protocol may have a formal… … Wikipedia
Systems engineering — is an interdisciplinary field of engineering that focuses on how complex engineering projects should be designed and managed. Issues such as logistics, the coordination of different teams, and automatic control of machinery become more difficult… … Wikipedia
Structured Systems Analysis and Design Method — (SSADM) is a systems approach to the analysis and design of information systems. SSADM was produced for the CCTA, a UK government office concerned with the use of technology in government, from 1980 onwards. The names Structured Systems Analysis… … Wikipedia
Visual Paradigm for UML — Infobox Software name = Visual Paradigm for UML developer = Visual Paradigm International Ltd. latest release version = 6.1 Service Pack 1 latest release date = Nov 19 2007 operating system = Cross platform genre = UML CASE Tool license =… … Wikipedia