quaternion elliptic space [数] 四元数椭圆空间
elliptic hyperbolic space 椭圆双曲空间
Elliptic Harmonic space 椭圆调和空间
elliptic rotating field space 椭圆空间
elliptic inversion in a space 空间的椭圆型反演
A milling method of curves in space is introduced in the paper, which can be applied to the processing of space circular, elliptic and other curves on various cylinders.
本文介绍了一种空间曲线轨迹的铣削加工方法，适用于加工各种圆柱面上的空间圆形、椭圆形，以及一些其它形式的曲线轨迹。
First, the elliptic cylinder mathematical model has been built by space analysis.
首先用空间解析法建立了椭圆柱形物体的数学模型。
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