“方差-协方差矩阵”的概念、定义、翻译、参考文献-科学参考

单词	方差-协方差矩阵
释义	方差-协方差矩阵 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	electronic target deinterleave and recognition electronic tensile testing machine Electronic text electronic theodolite electronic thermal conductivity electronic thermometer electronic theses and dissertations system electronic throttle value electronic toll collection Electronic Toll Collection, ETC electronic toll collection settlement center electronic toll collection system electronic toll collection system, ETCS electronic tongue electronic torsion testing machine electronic training electronic transaction electronic transition electronic tube parameter measurement electronic universal testing machines electronic video recorder electronic view finder electronic viewfinder digital camera electronic viewfinder fixed lens digital camera electronic voltage transformer

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。