“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	Bureau of Astronomy Bureau of Corporations Bureau of Information Industry Department to promote e-government Bureau of International Exchange of Publications Bureau of Land Surveying and Mapping Bureau of Personnel Evaluation Bureau of Soil and Water Conservation of Yellow River Conservancy Commission of the Ministry of Water Resources Bureau of Veterinary Medicine, the Ministry of Agriculture of the People’s Republic of China Bureaus for Communications bureaus of urban official buildings and shops buret burette burflower-tree Burgas Burgen Beaver Reserve burgeoning art school Burger equation Burgers Burgers circuit Burgers equation Burgers vector Burgers' vector Burgers方程 Burgess Shale Biota Burgess’s prediction study on success or failure for parole

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