Methods of local linear regression, analysis of regression and hypothesis testing were employed.
研究方法：局部线性回归、回归分析和假设检验。
The mathematic model of wear of cutter about molding finishing machining was founded by analysis of regression.
利用回归分析，建立了成型修整加工刀具磨损率的数学模型。
The mathematic models of machining efficiency and wear of cutter were founded by analysis of regression about experimental results.
通过回归分析，建立了切削效率和刀具磨损率的数学模型；
The mathematic models of machining efficiency and wear of cutter were founded by analysis of regression about experimental results.
通过回归分析，建立了切削效率和刀具磨损率的数学模型；
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