Futhermore, this paper discussed designing of system structure, the processing of basic data, spatial analysis and geographic modeling.
重点对系统结构设计、基础数据处理、空间分析、地理建模等方面都做了详尽的讨论。
DEM takes an important part in spatial data analysis and modeling, which is the heart of GIS.
空间数据分析和建模是地理信息系统的核心，DEM是空间数据的重要内容。
The structural modeling, layout, analysis and joint design of the complex spatial latticed shell are introduced for design of the structure.
介绍了该复杂空间网壳结构的造型、布置、节点设计和结构分析。
The general FEM program can do the spatial analysis of box girder, but the modeling is very complex and it is difficult to consider the prestress.
采用通用有限元程序可对箱梁进行空间分析，但是建模过程复杂，特别是很难考虑预应力效应。
The general FEM program can do the spatial analysis of box girder, but the modeling is very complex and it is difficult to consider the prestress.
采用通用有限元程序可对箱梁进行空间分析，但是建模过程复杂，特别是很难考虑预应力效应。
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