单词	a smear of jam/paint
释义	a smear of jam/paint 果酱渍;油漆斑点
随便看	covariance assignment covariance between inheritance and environment covariance component Covariance constraint control covariance control covariance descriptor covariance difference covariance distribution covariance equivalence covariance estimator covariance feedback covariance fitting covariance for cluster sampling covariance for double sampling Covariance for simple random sampling covariance for stratified sampling covariance-free covariance function covariance functional covariance function of stochastic process covariance function prediction covariance fusion Covariance fusion covariance inequality covariance information