- 概念數(shù)據(jù)模型 概念
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conceptual data model中文什么意思
例句與用法
- Standard clinical conceptual data model
標(biāo)準(zhǔn)門(mén)診理論數(shù)據(jù)模型 - Spatiotemporal object model can serve as a powerful tool for conceptual data modeling of
時(shí)空擴(kuò)展對(duì)象模型的提出為時(shí)空應(yīng)用概念設(shè)計(jì)提供了有力的工具。 - During the design of accelerator cavity , we must face complicated objects and time - varied data . it is necessary for us to consider an object - oriented and temporal data model . therefore , we give a conceptual data model , that is entity - relationship data model ( shorten as ter model )
目錄中國(guó)原子能科學(xué)研究院博士學(xué)位論文h在加速器腔體的設(shè)計(jì)中，所面臨的對(duì)象是復(fù)雜的，數(shù)據(jù)是時(shí)變的，所以我們有必要提出一個(gè)面向?qū)ο蟮?、時(shí)態(tài)的數(shù)據(jù)模型。 - Based on wide investigation and deep analysis into the characteristic of spatiotemporal application , data models of gis and the research achievements of existing spatiotemporal data models , this thesis makes a systematical research on spatiotemporal data model mainly including conceptual data modeling of spatiotemproal application , logic structure of spatiotemporal data model , spatiotemporal dynamic modeling and application of spatiotemporal data model in transportation planning
在對(duì)時(shí)空數(shù)據(jù)的應(yīng)用特點(diǎn)以及現(xiàn)有時(shí)空數(shù)據(jù)模型的研究成果進(jìn)行廣泛調(diào)查和深入分析的基礎(chǔ)上，本文從時(shí)空數(shù)據(jù)建模的基本概念、時(shí)空應(yīng)用概念建模方法、時(shí)空數(shù)據(jù)模型的邏輯結(jié)構(gòu)、時(shí)空動(dòng)態(tài)建模以及時(shí)空數(shù)據(jù)模型在城市交通規(guī)劃中的應(yīng)用等方面，對(duì)時(shí)空數(shù)據(jù)建模進(jìn)行了較為系統(tǒng)的研究。