“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	single-address system single administration pharmacokinetic analysis single anchor leg mooring system single antenna Single Aperture Far-Infrared Observatory single-aperture radio telescope single-arc method single-arm spectrometer single asset test single-atom catalysis single-atom catalyst single-atom chemistry single bar single baseline processing single base propellant singlebeam bathymetric survey system single-beam direct method single beam echo sounder single beam echo sounding single beam measurement single-beam method single-beam polarimeter single beam sonar sediment survey single beam spectrophotometer single binary operation

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。