The models solve the problems of computer compressing store and analysis and processing for map elements, with relationship and coexistence of geo graphics database and geo attribute data files.
该模型以地学图形数据库与属形数据文件关联共存的方式，解决了地图要素的计算机压缩存贮与分析处理问题。
In computer graphics, the application of a constant displacement to the position of one or more display elements.
在计算机图形学中，把一个常量位移加到一个或几个显示单元的位置上的功能。
The realistic of virtual reality is based on modeling, that is the reason why the simulation of irregular structures and elements become one of the most difficult research focus of computer graphics.
真实感图形模拟的基础在于建立模型，因而模糊物体的模拟一直是图形学的难点之一。
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