空间贡献软件为创建笛卡儿层和 Geohash 代码提供工具,并且为创建 Lucene 查询和过滤器对象提供工具。
The spatial contrib offers tools for creating Cartesian tiers and Geohash codes, as well as tools for creating Lucene query and filter objects.
分析和计算的空间问题,一般可采用两类坐标系:笛卡儿直角坐标系和极坐标系。
There are two kinds of coordinates, Cartesian coordinates and polar coordinates, with which spatial issues are analyzed and calculated.
但是,当我们从物理的角度审视这一问题时,就会发现可以把这个曲面嵌入一个三维空间中,粒子的运动可以在笛卡儿坐标下分解为三个互相正交的方向。
However, when examining the same problem in the physical point of view, the motion of the particle can also be described in the three-dimensional coordinates.
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