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本文将通过点的旋转变换研究空间图形的旋转问题；通过对应点的关系来讨论对应坐标的联系；从而导出点的坐标旋转公式,进一步的研究曲面(或曲线)方程的化简等问题。
In this paper, we will study the rotation of spatial graphics through point rotation transformation. We will discuss the correspondence of corresponding coordinates through the relationship of corresponding points. Then we derive the coordinate rotation formula of points and further study the simplification of surface (or curve) equations.