As the Shanghai downtown construction-intensive, complex terrain, has been the focus of three-dimensional modeling and difficult.
由于上海中心城区建筑密集，地形复杂，一直是三维建模的重点和难点。
This paper introduced the modeling process and realization method and terrain simplification of the freeway three-dimensional scene.
文中介绍了高等级公路三维视景的建模过程、实现方法，以及地形的简化技术。
Three dimensional strata model, constructed by the published modeling approaches, is inconsistent to the terrain.
目前三维地层表面建模方法构建的三维地层模型上表面粗糙，与地形不一致。
Chapter four is the study of terrain three-dimension modeling of Yangshan Harbor area.
第四章是洋山港地区地形三维建模研究。
This paper blowout accident occurred in the actual surface of the complex terrain of the three-dimensional model of the modeling methods were discussed.
本文对井喷事故发生地实际复杂地形地表的三维模型的建模方法的进行了探讨。
This paper blowout accident occurred in the actual surface of the complex terrain of the three-dimensional model of the modeling methods were discussed.
本文对井喷事故发生地实际复杂地形地表的三维模型的建模方法的进行了探讨。
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