“variace-covariance matrix”的概念、定义、翻译、参考文献-科学参考

单词	variace-covariance matrix
释义	variace-covariance matrix Encyclopedia 工学精度释 variace-covariance matrix方差-协方差矩阵随机变量的方差和协方差的集合。是以随机变量的方差为主对角元素，随机变量间的协方差为非主对角元素构成的一个对称方阵。
随便看	psychology of teaching arts psychology of traditional Chinese medicine psychology of victim psychology of women psychology research in vocational education Psychology Syllabus psychology thoughts in ancient China psychometrical psychometrics psychomotor ability psychomotor activity model psychoneuroendocrinology psychoneuroimmunology psychoneuromuscular theory psychopathic crime psychopathic personality psychopathology psychopathy psychopathy checklist psychopharmacology psychophysical methods psychophysiological response patterns during lie detection psychoradiology psychosexual disorder psychosexual theory of development

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。