The dynamic simulation and forecast analysis of complicated system based on GIS is the result of wide application of GIS.

以GIS技术为基础进行复杂系统的动态模拟和预测分析研究是将GIS应用走向深入的结果。

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Based on COMGIS technology, a GIS for the simulation of soil erosion of Dongzhen reservoir watershed has been created, which has the functions of data management, spatial analysis and visualization.

根据组件式GIS技术构建了东圳水库土壤侵蚀模拟GIS系统，该系统可以实现数据管理、空间分析、模型运算功能。

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In this thesis the idea of building a simulation platform of satellite in orbit based on GIS control is present, combining the orbit predict technology and computer simulation technology.

本论文将卫星轨道预报技术和计算机仿真技术相结合，提出了基于GIS控件建立卫星在轨运行仿真平台的设计思想。

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