“principal components analysis”的概念、定义、翻译、参考文献-科学参考

单词	principal components analysis
释义	principal components analysis Encyclopedia 理学主元素分析释 principal components analysis主成分分析使用正交变换将一组可能相关的变量转换成一组线性不相关的变量，将获取的新变量按方差依次递减的顺序排列，从中选取少数对方差贡献最大的成分，从而简化数据集的技术。是一种数学变换的方法。
随便看	shear deformation characteristics of rock mass shear difference method shear dilation effect shear dilution of drilling fluid shear distortion shear-dominated encounter shearer-loader shearer's pyrrosia leaf shear factor shear failure of pier and abutment shear field shear-flocculation flotation shear flow shear flow field induced self-assembly shear folding shear fracture shear-free sheargraph shear-induced structure shearing shearing effect shearing field shearing interferometer shearing interferometer wavefront sensor shearing machine

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