The machining precision can be improved and the dimension scope of machining the polygon prism is enlarged by using the proposed compensation method.
采用这种误差补偿方法可以大大地提高车削多面体的精度，扩大车削多面体的尺寸范围。
Grid method is an improved algorithm of the directed-loop method: it utilizes the orientation of the polygon and region partition at the same time.
网格法是有向回路法的改进算法，利用了多边形的方向性和区域划分。
The method adopts a quick algorithm for seeking points between lines and polygon and then the speed of grid division is improved greatly.
它采用活性边表法的快速求交算法，提高了网格运算的速度。
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