Spatial data model is the core and base of three dimensional geographic information system design.
空间数据模型是地理信息系统设计的核心和基础。
The aim of establishing spatial data model is to reflect the real world.
空间数据模型建立的目的是反映现实世界。
However, the spatial data model of main GIS systems only reflect knowledge of management and manipulation objects in field of cartography, such as point, line and poly geometry objects.
当今的GIS系统的空间数据模型，主要反映地图制图领域的点、线、面对象管理与操作的几何知识。
This paper describes the model structure, model content and related applications of several commonly used GIS spatial data model of the current society.
本文主要介绍了当前社会中常用的几种GIS空间数据模型的模型结构、模型内容以及相关应用等。
The type of spatial data model: the model based on object (element); network model; field model.
空间数据模型的类型：基于对象(要素)的模型；网络模型；场模型。
Spatial data is distributed essentially. There are much more researches in integrated spatial data model but fewer in distributed spatial data.
空间数据本质上是分布的，目前对集中式空间数据模型进行了大量的研究，而在分布式空间数据的研究方面尚处于起步阶段。
Research the modeling of spatial data. Based on the analysis of urban earthquake disaster reduction spatial data, the GML based earthquake disaster reduction spatial data model is built.
开展了空间数据建模研究，在对防震减灾空间数据进行分析的基础上，构建出基于GML的城市防震减灾空间数据模型。
The spatial data model is basic to the research of GIS.
模型是地理信息系统(GIS)研究的基础内容。
Currently, traditional spatial data model with the inherent limitations can not fully satisfy the scope of the global multi-resolution massive data dynamic management requirements.
当前，传统空间数据组织与模型的内在局限性已经不能完全满足大范围甚至全球多分辨率海量数据动态管理的要求。
A hybrid 3d spatial data model based on multi-DEMs and quasi tri-prism volume (QTPV) is proposed.
提出一种基于多层dem与似三棱柱体元(QTPV)的混合三维数据模型。
This paper presents a temporal - spatial data model for town property cadastre management, and presents a well - designed cadastral change solution and cadastral history data management solution too.
该文提出了一种可适用城镇产权地籍管理的时空数据模型及一整套完善解决地籍变更和地籍历史档案管理的方案。
On the base of analyzing temporal-spatial characteristics of the social and economic statistical data, the paper puts forward a temporal-spatial data model of social and economic.
本文在分析社会经济统计数据时空特点的基础上，提出了社会经济统计时空数据模型。
The Research of GeoScience Spatial Data Model can offer the base of comprehension for GeoScience Data.
地学（空间）数据模型的研究能为地质科学数据的共同理解提供基础。
The Research of GeoScience Spatial Data Model can offer the base of comprehension for GeoScience Data.
地学（空间）数据模型的研究能为地质科学数据的共同理解提供基础。
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