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三维地形模拟技术是当前计算机绘图领域中研究的重点之一。
The 3d terrain simulation technique is one of important research issues in the computer graphics.
摘 要： 三维地形模拟一直是虚拟现实、地理信息系统（GIS）等领域的研究热点。
Absrtact: 3D terrain simulation is always a hot topic in geographic information system(GIS), virtual reality and so on.
然后提出并实现面向土地利用规划的电子沙盘制作的技术方案，详细介绍了数据处理、地形模拟与要素匹配等关键技术。
The key technique of the technical scheme for electronic sand table, such as data processing, terrain modeling, feature matching, is introduced in details in this paper.
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