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词汇	spherical coordinate
释义	spherical coordinaten.（名词）spherical coordinateThe spherical coordiantes of point P are (r, ϕ, θ). Any of a set of coordinates in a three-dimensional system for locating points in space by means of a radius vector and two angles measured from the center of a sphere with respect to two arbitrary, fixed, perpendicular directions.球体坐标：任何一组三度坐标系，藉由矢径及自球体中心点任意往两个固定垂直方向的箭头来指出空间中的任何一点
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