地形是虚拟地理环境的承载体。
Terrain is the carrier of Virtual Geographic Environment(VGE).
提出虚拟地理环境概念，并讨论其特征。
This paper addresses the concept and characteristics of virtual geographic environments (VGE).
地理模型分布式集成是虚拟地理环境研究的主要内容之一。
The distributed integration of geographical models is one of the main objectives of the virtual geographical environment.
地理模型分布式集成是虚拟地理环境研究的主要内容之一。
Research on Visual Expression Method of Temporal Information in Virtual Geographical Environment;
协同虚拟地理环境由于存在多个用户与共享资源发生并发访问，从而将导致“访问冲突”。
The conflict will arise for the concurrent access between Shared resource and multi-user in CVGE.
为方便消费者这一新的玻璃瓶，虚拟地理环境-一个新元子公司访问-将在法国销售的接口。
To facilitate the access of consumers to this new glass bottle, VGE - a subsidiary of SGD - will be the interface of distribution in France.
灵活、高效的视点控制机制是人与虚拟地理环境进行交互的基础，它的性能直接影响人的工作效率。
The flexible and efficient viewpoint control mechanism is the base of interaction between human and virtual geographical environment. Its capability influence work efficiency of human directly.
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 application of the grid technology to virtual environments is discussed, and the grid-based VGE framework is designed.
因此虚拟地理场景中三维模型数据的构建、组织与管理是目前虚拟地理环境建设亟需解决的核心问题之一。
So the construction, organization and management of 3d model data is a critical issue to be solved urgently in virtual geographical environment system.
从虚拟现实引入虚拟地理环境概念，介绍了虚拟地理环境具有的特征和虚拟地理环境在高校地理学中应用的关键技术。
Based on the description of the characteristic of WebGIS and the technique of virtual geo-environments, this paper develops a research of the application of WebGIS in virtual geo-environments.
因此，如何将这些分布式异构地理模型进行统一表达、管理并集成到虚拟地理环境系统中，是当前亟待解决的难点问题。
So how to define and manage these distributed heterogeneous models uniformly, and how to integrate into the virtual geographical environment system, still remain the problems to be solved urgently.
研究表明，在跨服务器平台操作系统环境下，基于J2EE框架的虚拟地理环境平台相对于当前其它技术具有很大的优越性。
The study found that, in cross platform environment, J2EE based VGE framework has a huge advantage compare to other frameworks.
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.
IBM的Hailton说：虚拟世界使员工很好的联系在一起，而地理环境的差异也不再是一种障碍。
IBM\'s Hamilton says virtual worlds actually make employees want to start working relationships with one another, adding, "Geography doesn\'t seem to be the barrier it once was.
IBM的Hailton说：虚拟世界使员工很好的联系在一起，而地理环境的差异也不再是一种障碍。
IBM\'s Hamilton says virtual worlds actually make employees want to start working relationships with one another, adding, "Geography doesn\'t seem to be the barrier it once was.
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