Cylindricity - describes a condition of a surface of revolution in which all points of a surface are equidistant from a common axis.

圆柱度-描述了一个条件的旋转面，使所有的点面距离相等，一个共同的旋转轴。

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The animation programs of the making revolution surface is compiled, and a general coordinate formula of geometric transformation is deduced about an arbitrary revolution curve around a rotation axis.

给出旋转曲面生成过程的动画程序，并导出了任一曲线绕任意轴旋转的坐标间几何变换公式。

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The unified formula results from the revolution and translational movement of the coordinate axis. Apart from the unified calculating formula, the idea for calculation is clear and distinct.

利用坐标轴的旋转和平移，导出了组合机床主轴箱多种传动形式下传动轴坐标计算的统一公式。

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