VGE

Terrain is the carrier of Virtual Geographic Environment ( VGE).

地形是虚拟地理环境的承载体。

Semantic information in VGE is a type of interactive knowledge, which can achieve a natural and efficient human-computer interaction.

虚拟地理环境中的语义信息可以作为交互知识，通过它可以实现自然高效的人机交互。

Evgenia was Trotsky's secretary at the time.

Evgenia那时是托洛茨基的秘书.

Economic expert Yevgeny Volk, director of the Heritage Foundation in Moscow, told VOA the Kremlin proposals are motivated in part by a desire to reduce U.S. global economic influence.

经济专家Yevgeny Volk是莫斯科遗产基础机构主任，他告诉VOA，克里姆林宫的提议部分原因是为了削弱美国对全球经济的影响。

VGE is the virtual reality based on the geo-analysis models and geo-project, which describes geography systematic space distribution as well as the virtual information geography world of process phenomenon established by geographical worker according to observation experiment and theoretical assumption.

虚拟地理环境是基于地学分析模型、地学工程等的虚拟现实，它是地学工作者根据观测实验、理论假设等建立起来的表达和描述地理系统的空间分布以及过程现象的虚拟信息地理世界。

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。