efficiency of covariance的: 4次方是 The fourth power of 2 i ...效率: productiveness; efficiency; ...估计误差的协方差: estimation error covariance协方差的分割法: covariance partitioning协方差: convariance; cov(covariance); covariance matrix; kovarianz covariance下载手机词典可随时随地查词查翻译
