sample covariance matrixsamplecovariancematrix样本: sample book; specimen; advan ...矩阵: matrix; array样本协方差: sample covariance样本方差协方差矩阵: sample variance-covariance matrix; samplevariance-covariancematrix协方差矩阵: covariance matrix; variance-covariancematrix下载手机词典可随时随地查词查翻译
