By studying the point-to-point comparison method, the author presented a new algorithm based on point-to-point comparison method.
通过对逐点比较法的研究，在逐点比较法的基础上提出了一种基于逐点比较法的新算法。
Point-by-point Comparison interpolation is one method of the contour interpolation algorithms, ever used widely in CNC machine tools, but its being not to realize two-axis limits its application.
逐点比较法是轮廓插补算法之一，曾在数控机床中被广泛采用，但由于它存在不能实现两轴联动的缺点，限制了其应用。
The interpolation error is on more than the conventional point-to-point comparison method, in addition, it is also calculate concisely and the interpolation quickly.
此算法不但具有误差小，而且计算简明直观，插补速度快等优点。
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