contemporaneous covariance同期: the corresponding period协方差: convariance; cov(covariance); covariance matrix; kovarianz covariance方差-协方差矩阵: variance covariance matrix; variance-covariance matrix表型协方差: phenotypic covariance抽样协方差: sampling covariance下载手机词典可随时随地查词查翻译
