Based on the principle of the least deviation method, the paper puts forward a rapid and high-precision arc interpolation method through special-structural discrimination function.

在最小偏差法原理的基础上，通过构造独特的偏差判别函数，提出了一种快速高精度的圆弧插补方法。

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In the light of the characteristics of designing and manufacturing the micro-gear drives, a designing method called deviation function is proposed in this article.

根据微型齿轮传动设计与制造的特点，提出了一种设计微型齿轮齿廓曲线的方法，即偏差函数法。

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One method was getting the maximum and the minimum of the structural performance function by optimization, and then calculating the ratio of mean-value to deviation of the performance function.

一种方法是先优化得到结构功能函数的最大和最小值，再计算功能函数均值和离差的比值；

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