The method of GIS data sorting is also achieved in this paper. With the application of this update model, the job of land GIS basic data quality control and inspection will be more efficient.
同时对GIS数据的排序方法以及图形空间关系的检查也做了讨论，并探讨将扩展模型应用于土地GIS基础数据的质量控制与检查工作中，以提高数据检查工作的效率和自动化程度。
Highly application of GIS to urban traffic pollution management has been developed, which consisted of proscenium-GIS system, back stage-motor vehicle emission model and spatial data base.
开发了高层应用城市交通污染管理信息系统，由前台g IS系统、后台机动车排放模型、空间数据库三大部分构成。
The thesis abecedarian discusses the application of GIS in defining boundary, defining initializing condition, data pretreatment, model calculating, and visual result exporting, etc.
初步探讨了GIS技术在大气质量模型建模过程中在定义边界和初始条件、数据准备、模型运行处理、可视化结果表现等方面的应用。
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