Spatial Database is one of the important part in national spatial infrastructure.
空间数据库是国家基础设施的重要组成部分。
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。
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 article expounds the necessity of initiating "urban spatial statistics infrastructure" and raises some tentative opinions on the essential problems concerned.
本文论述了启动“城市空间数据基础设施”建设计划的必要性，并就有关问题提出了一些初步看法。
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。
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。
In this paper, telecommunications infrastructure is considered to influence economic growth through the following two mechanisms: sector spillover effects and spatial spillover effects.
在此基础上，本文主要从两个方面分析电信基础设施对经济增长的影响机制：部门溢出效应和空间溢出效应。
This paper assumes transport infrastructure has the effects of spatial spillovers on regional economic growth.
本文认为，交通基础设施对其所在区域外的其他区域同时具有正溢出和负溢出作用。
Secondly, we should enhance infrastructure construction and reduce spatial exchange cost;
第二，加强基础设施建设，减少空间交易费用；
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。
From the perspective of urban economics, it is believed that urban transport infrastructure promotes urban spatial growth, and the effects are different according to the types of the infrastructure.
从城市经济学的视角出发，城市交通基础设施对城市空间增长的推动作用很显著，并且不同类型的交通基础设施对城市空间增长的影响方式和结果存在较大的区别。
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。
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。
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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