阐述了综合环境数据表示和交换规范（SEDRIS）在动态地形中的应用，包括仿真对象模型中的应用和将SEDRIS传输格式（STF）文件作为运行数据库的应用。
The applications of SEDRIS in dynamic terrain are focused, which include usage of SEDRIS in Simulation Object Modeling and using STF as the runtime database.
三维地形是虚拟自然环境中不可缺少的因素，也是虚拟仿真领域中视景系统的重要组成部分。
Three-dimensional terrain is one of important factors of the natural scenes in virtual environment. It is also a significant composition of view system in virtual simulation field.
因此，在作战仿真领域研究三维地形环境的仿真具有重要的学术价值和应用价值。
Therefore, studying the simulation of three-dimensional terrain environment in the field of warfare simulation is highly valuable for academic study and application.
该仿真平台提供了用于创建地形模块的地形组件编辑器，并提供了环境编辑器以便利用预先创建的地形模块搭建虚拟月面环境。
This simulation platform provides a terrain Builder to create lunar terrain modules, and an environment Editor to utilize these modules to create and edit virtual lunar environment.
阐述了综合环境数据表示和交换规范（SEDRIS）在动态地形中的应用，包括仿真对象模型中的应用和将SEDRIS传输格式（STF）文件作为运行数据库的应用。
Then some improvements are presented. The applications of SEDRIS in dynamic terrain are focused, which include usage of SEDRIS in Simulation Object Modeling and using STF as the runtime database.
洪水演进仿真环境的绘制包括三维地形建模和地形地貌实时绘制，源发型洪水演进动态仿真技术的关键是流域河道边界自搜索模型的建立。
The key technology of the dynamic simulate of the original flood evolvement is the design of the self-control search model of the boundary of the watercourses drainage area.
随着分布式虚拟GIS在仿真和军事中的应用需求，大范围，海量地形数据在网络环境下实时绘制技术成为GIS研究的重点之一。
The increasing application demand of distributed virtual GIS in terrain landscape and military has made real-time interactive browsing massive terrain data in large areas under network environment.
随着分布式虚拟GIS在仿真和军事中的应用需求，大范围，海量地形数据在网络环境下实时绘制技术成为GIS研究的重点之一。
The increasing application demand of distributed virtual GIS in terrain landscape and military has made real-time interactive browsing massive terrain data in large areas under network environment.
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