用最小二乘法求出了刀具拟合直线，并对拟合直线进行了修正，保证了修正后的创成表面与原拟合直线创成表面相吻合。
The cutter curve is fitted with the least square method and corrected to assure the corrected generation surface is identical with that of original fitted curve.
用最小区域法求直线度误差，是在最小二乘法的基础上探讨的一种符合最小条件的新方法。
Computing straightness error on the basis of least square method by way of smallest field method is new method in exploring the minimum condition.
本文用最小二乘法拟合的直线确定三相异步电动机风摩耗测量的标准不确定度。
This paper determines standard uncertainty for measurement of windage and friction loss of three-phase induction motor through fitting line of least square method.
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