1) Four dimensions space analysis method
四维空间分析法
2) Method of space analysis
空间分析法
3) 3D spatial analysis
三维空间分析
1.
This paper first lists the functions that3D GIS should implement ,and then discusses the main developments in3D GIS from five aspects which are3D data acquisition,3D spatial data model,3D spatial relations,3D visualization and3D spatial analysis.
该文首先分析了三维GIS应实现的功能,然后从三维数据获取、三维空间数据模型、三维空间关系的描述和表达、三维可视化和三维空间分析等几个方面评述了三维GIS的研究进展。
4) four-dimensional space
四维空间
1.
Discussing on the four-dimensional space image of rich city;
浅议丰富城市的四维空间形象
2.
By taking the strategy of uniting geometry with algebra and utilizing the principle that the dot product of two perpendicular lines is zero, all the perpendicular problems encountered in four-dimensional space are systematically discussed.
本文用形、数结合的观点,以两线垂直数性积为零作为基础,直线与三维空间垂直的投影特征作为图解问题的依据,系统地论述了四维空间里的所有垂直问题,且各种情况均有明确的结论。
3.
Three basic quadric trans formation in four-dimensional space are put forward.
在四维空间中，建立三种基本平方变换方法，其他的许多平方变换方法可由其组合生成。
5) four-dimension space
四维空间
1.
This pape has discussed the definitions of Four-dimension Space, Four-dimension Velocity,Four-dimension Momentum,Four-dimension Force.
文章介绍了四维空间矢量、四维速度矢量、四维动量、四维力矢量的定义 ,讨论了它们的特殊洛伦兹变换的矩阵形式以及它们与普通三维量之间的的关系。
6) four dimensional space
四维空间
1.
Exploration research on time and space idea of four dimensional space in exhibition building
展馆建筑四维空间的时空理念探索研究
2.
By taking the strategy of uniting geometry with algebra and using the method of minimal value, the distance problems between a line and a line in four dimensional space are investigated and the caculation formula are given.
用形数结合的观点和极小值法，研究了四维空间中两直线间的距离问题，并给出了相应的计算公式。
3.
By means of uniting geometry with algebra, the arc length, tangent line, cotangent space and curvature of curve in four dimensional space are investigated, and the corresponding calculation formula in each cases are given.
用形数结合的观点研究了四维空间中曲线的弧长、切线、法空间和曲率问题，并给出了其计算公式。
补充资料：四维空间
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