主要探讨了三维地形景观的建立。

D terrain landscapes construction method is discussed.

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地形景观模型的三维可视化技术是时空一体化地理信息系统与虚拟现实中的关键技术。

The technique of 3d visualization of terrain sight model is an important technique of spatial-temporal GIS and VR.

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采用1：25万地形数据与RS分类图配合形成三维立体森林景观。

This study adopts 1:250 thousand scale image and RS classification map to set up forest landscape.

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