The research on 3d visualization system of geographic information is a hotspot in the research of GIS and it is the basic requirement in many application fields.

地理信息三维可视化系统的研究是地理信息系统研究中的热点，也是许多应用领域对地理信息系统的基本要求。

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A 3d visualization system for mineral deposits is an important means to understand the spatial distribution of mineral grades, and a fundamental tool for computer aided design and planning of mines.

矿床三维可视化是正确认识矿物赋存的重要手段，也是进行采矿工程设计与布置的基础。

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And with the advent of 3D broadcasting, imagine if students could inspect a visualization of the planets orbiting the sun in the solar system, projected right out into their classroom.

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