三维景观重建是虚拟现实地理信息系统(VR GIS)研究中的重要方向之一。

The three dimensional landscape reconstruction is one of the important aspects in the research of Virtual Reality Geographic Information System (VR-GIS).

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应用虚拟现实地理信息系统(VRG IS)技术建立水土流失三维仿真系统，提供水土流失动态信息。

Based on VRGIS technology, 3d virtual simulation system of soil erosion is build, which offers the dynamic information of soil and water erosion accurately.

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多源空间数据共享一直是VR - G IS(虚拟现实地理信息系统)应用系统开发中需要解决的重要问题。

Sharing between various spatial data has always been a main problem to the development of VR-GIS, which is a new field integrating GIS and VR (Virtual Reality).

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