Terrain is the carrier of Virtual Geographic Environment(VGE).
地形是虚拟地理环境的承载体。
This paper addresses the concept and characteristics of virtual geographic environments (VGE).
提出虚拟地理环境概念，并讨论其特征。
The application of the grid technology to virtual environments is discussed, and the grid-based VGE framework is designed.
探讨了网格技术在虚拟环境中的应用，并对基于网格技术的网络虚拟地理环境结构框架进行了初步设计。
The integration of VGE platform and agent technology is realized, and a prototype system is built to simulate the spatiotemporal transmission process of SARS in hospitals.
实现虚拟地理环境平台与智能体技术的集成，在此基础上引入SARS时空传播智能体模型，建立了SARS时空传播模拟原型系统。
The integration of VGE platform and agent technology is realized, and a prototype system is built to simulate the spatiotemporal transmission process of SARS in hospitals.
实现虚拟地理环境平台与智能体技术的集成，在此基础上引入SARS时空传播智能体模型，建立了SARS时空传播模拟原型系统。
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