椭圆体模型是空间引用系统定义的第一部分。
The ellipsoid model is the first part of a spatial reference system definition.
系统由数据源、业务空间和分析方法库三个主要部分组成。
The system consists of three main parts - Data Source, Business Space and Analysis Library.
第三部分为城市旅游空间结构系统。
The third part is the system of urban tourism spatial structure.
一般而言，这是文件系统占用空间最多的部分。
This is the part of the file system that generally takes up most space.
第四部分城市空间数据挖掘实验系统构建。
The fourth part: Establishment of urban spatial data mining experimental system.
显然，空间运算是GIS系统相当重要的部分。
Apparently, spatial operation is a very important part of GIS.
太阳能热动力系统是空间站的重要组成部分。
Solar energy dynamic power system plays a very important role in space station.
导向系统作为一种信息载体，已经成为现代城市建设的一个重要组成部分，是人与空间之间沟通的桥梁。
As a carrier of information, the guidance system has been an important part of city construction. It is a bridge of people and space.
导向系统作为一种信息载体，已经成为现代城市建设的一个重要组成部分，是人与空间之间沟通的桥梁。
As a carrier of information, the guidance system has been an important part of city construction. It is a bridge of people and space.
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