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推导了n次回旋线的平行线方程 ,分析了n次回旋线的平行线与n次回旋线的关系 ,提出了可以将n次回旋线的平行线看成是通用n次回旋线 ,证明了通用n次回旋线的圆曲线内移值和切线增量与n次回旋线的圆曲线内移值和切线增量相等。
The parallel equations of the n-th gyration are deduced. The relationship between the n-th gyration and the n-th gyration is analyzed. It is proved that the parallelism of the n-th gyration can be regarded as the n-th general gyration. Universal n times the circular curve of the curvilinear interior shift and tangent increments and n times the circular curve of the curvilinear interior shift and tangent incremental equal.