Urban spatial data infrastructure is the core of the basic layer of digital city.
城市空间数据基础设施是数字城市基础层的核心。
Spatial data infrastructure defined geospatial data framework and a variety of spatial data exchange standard.
空间数据基础设施定义了地球空间数据框架及各种空间数据交换标准。
As the main form of national Spatial Data Infrastructure, 4d is widely used in many national economic fields in place of traditional maps.
作为国家基础地理空间框架数据的主产品形式，4d产品正逐步替代传统的模拟地图，在国民经济的众多领域得到广泛应用。
National Digital Geospatial data Framework is the important component of National spatial data infrastructure, and will serve widely to ITS.
描述地球表面的基础地理信息数据是国家空间数据基础设施建设中的重要组成部分。
Geo Spatial data Transfer Standard is an important part of "National Spatial data Infrastructure (NSDI)", as well as a necessary means for data sharing.
空间数据交换标准是国家空间数据基础设施的一个重要组成部分，也是目前实现空间数据共享的一个必要手段。
This paper analyses the situation and problems on establishing digital Sichuan spatial data infrastructure and put forward its basic contents and modes.
分析构建“数字四川”地理空间基础框架的现状及面临的问题，提出构建“数字四川”地理空间基础框架的基本内容和模式。
It offers all kinds of up-to-date spatial data sources for the whole urban, and it offers uniform and standard spatial data infrastructure for the layout building management and service of urban.
它为整个城市提供各种现势性的空间数据信息源，为城市规划、建设、管理和服务提供统一的、标准的空间数据基础框架。
The Surveying and Mapping Industry, especially the Fundamental part, is the core of Spatial Data Infrastructure (SDI) in a city, and the latter places a foundation for the concept of "Digital City".
测绘产业，特别是基础测绘是城市空间基础设施的核心，而后者是“数字城市”的基础。
DEM has been one of basic contents of National Special Data Infrastructure (NSDI) in various countries and integrated by Numeric Spatial Data Frame (NGDF) to produce in large scale.
DEM已成为世界各国空间数据基础设施(NSDI)的基本内容之一，被纳入数字化空间数据框架(NGDF)进行规模化生产。
DEM has been one of basic contents of National Special Data Infrastructure (NSDI) in various countries and integrated by Numeric Spatial Data Frame (NGDF) to produce in large scale.
DEM已成为世界各国空间数据基础设施(NSDI)的基本内容之一，被纳入数字化空间数据框架(NGDF)进行规模化生产。
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