spherical coordinates system 球面坐标系
spherical coordinates transform 球坐标变换
spherical coordinates quantization [数] 球坐标量化
spherical polar coordinates [数] 球极坐标 ; 极座标 ; 或球坐标系
spherical coordinates robot 球坐标机器人
modified spherical coordinates 修正球坐标系
hyperbolic spherical coordinates 双曲球坐标
N-PLURAL three coordinates that define the location of a point in three-dimensional space in terms of the length r of its radius vector, the angle, θ, which this vector makes with one axis, and the angle, φ, made by a second axis, perpendicular to the first, with the plane containing the first axis and the point. Usually written (r, θ, φ) 球面坐标
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