spatial data model造句
例句與造句
- An object - oriented 3d spatial data model in cybercity
一種面向?qū)ο蟮臄?shù)字城市三維空間數(shù)據(jù)模型 - Dynamic and multi - dimensional spatial data modeling : models and methods
空間數(shù)據(jù)模型與方法的研究 - 3d modeling methods and spatial data model of layered rock - mass
層狀巖體三維構(gòu)模方法與空間數(shù)據(jù)模型 - The summary of 3d spatial data models
三維空間數(shù)據(jù)模型綜述 - Research on spatial data model of pipelines network underground city geographical information system
城市地下管網(wǎng)地理信息系統(tǒng)空間數(shù)據(jù)模型研究 - It's difficult to find spatial data model in a sentence. 用spatial data model造句挺難的
- And all kinds of spatial data models which are the basis of algorithm on visualization are discussed
并研究概括了當(dāng)前流行的二維、 2 . 5維、三維各類空間數(shù)據(jù)模型與數(shù)據(jù)結(jié)構(gòu)。 - And three kinds of spatial data model : pillar model , tin face model and section model , were built up for these three kinds of rock - mass
并通過模型實(shí)例驗(yàn)證了構(gòu)模方法與空間數(shù)據(jù)模型的可行性。 - In this paper , we focus our research on spatial data model and visualization techniques on the basis of spatial database in 3d gis
本文以空間數(shù)據(jù)庫為基礎(chǔ)，主要研究三維gis中的空間數(shù)據(jù)模型和三維可視化技術(shù)。 - In addition to an ample research on concerning national software and information material , this article discussed the establishment and application of spatial data model by adhering to practical design and research
本文結(jié)合昆明市綜合地下管網(wǎng)信息系統(tǒng)設(shè)計(jì)和開發(fā)的實(shí)際工作，探討了地下管網(wǎng)空間數(shù)據(jù)模型的建立和應(yīng)用。 - Starting from the problem in the spatial data model of webgis nowdays , this paper analysizes and designs spatial data model , and builds a united spatial data model and oriented object expression
論文首先從當(dāng)前webgis空間數(shù)據(jù)模型當(dāng)前普遍存在的問題出發(fā)，分析和設(shè)計(jì)了空間數(shù)據(jù)模型，建立了數(shù)字地球需要的統(tǒng)一數(shù)據(jù)模型與面向?qū)ο蟊磉_(dá)。 - The system adopts spatial data model based on the vector data model ; topology relation model uses spatial data model combined with spatial data index ; and makes use of relation database to save spatial entity data
本系統(tǒng)采用基于矢量數(shù)據(jù)模型的空間數(shù)據(jù)模型；拓?fù)潢P(guān)系模型采用空間數(shù)據(jù)模型與空間數(shù)據(jù)索引結(jié)合；采用關(guān)系數(shù)據(jù)庫存儲(chǔ)空間對(duì)象數(shù)據(jù)。 - The validity and practicability of the presented models are proved from theory and actual application , and the presented spatial data model is proved to commendably satisfy with the demand of the above special gis applications
通過理論探討和實(shí)際的應(yīng)用驗(yàn)證，證明了該模型能很好地滿足該類特殊應(yīng)用的基本要求，同時(shí)也證明了該模型的有效性和實(shí)用性。 - In this paper , we describe in detail the procedure of modeling with this approach : based on spatial data model , both abstract model and discrete model needed , defining spatio - temporal algebras in two abstract levels
本文詳細(xì)論述了基于這種方法的時(shí)空數(shù)據(jù)的建模過程：以空間模型為基礎(chǔ)，分抽象模型和離散模型，定義了兩個(gè)抽象層次的時(shí)空代數(shù)系統(tǒng)。 - Two kinds of multi - resolution spatial data model are studied in this paper . one is the feature model and hoom model based on dlg data . the other is multi - resolution dem model based on terrain data using the algorithms of self - adaptive triangular regular networks and hierarchical triangular irregular networks
論文主要對(duì)兩種類型的多分辨率空間數(shù)據(jù)模型理論和實(shí)現(xiàn)技術(shù)進(jìn)行研究，第一類空間數(shù)據(jù)是數(shù)字線劃圖數(shù)據(jù)dlg ，第二類是數(shù)字高程模型數(shù)據(jù)dem 。 - Spatial data model is formalized according to partial order relationship , equivalence relationship and simplicial complex theory . a formalizing two - tuple ( m , f ) multi - resolution spatial data model is presented . based on the jarno peschie algorithms , an improved algorithm of road network map generalization is developed
應(yīng)用偏序關(guān)系、等價(jià)關(guān)系和單純復(fù)形理論，初步研究了多分辨率空間數(shù)據(jù)模型形式化表達(dá)方法，提出了一個(gè)二元組形式化多分辨率空間數(shù)據(jù)模型。
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