文章主要介绍了运用回归分析方法建立氢化锂车削表面粗糙度预测模型的方法。

It is introduced that establishing surface roughness prediction model of lithium hydride turning by regression analysis method in this paper.

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介绍了多变量统计投影方法的主要理论基础，包括：主元分析(PCA)、主元回归(PCR)、偏最小二乘(PLS)。

The paper briefly introduced the theoretical foundation of MSP method, which include Principle Component Analysis (PCA), Principle Component Regression (PCR), and Partial Least Squares (PLS).

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