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

单词	principal components
释义	principal components Encyclopedia 医学主成份释 principal components；PC主成分当含有多变量矩阵数据集对应于一个多维空间数学模型时，基于偏最小二乘法则，通过投影和降维处理，可在若干个垂直向量方向依次最大程度地描述样品的差异性或相似性的参数。
随便看	Poles poles and towers of transmission line pole set pole shift Polesje pole star Polet pole type singularity Poleungkuk pole vault pole vault of Summer Special Olympics poleward migration pole wheel pole zero cancellation pole-zero cancellation polhode polhode cone polhody police accouterments support police activities police administrative compensation police administrative law enforcement police aerobat police affairs police alcohol content tester

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。