单词	sample covariance
释义	sample covariance 样本协方差
随便看	multiplication principle multiplication ring multiplication rule multiplication sign multiplication table multiplication theorem multiplicative multiplicative-additional sampling technique multiplicative arithmetic function multiplicative axiom multiplicative base multiplicative basis multiplicative basis theorem multiplicative boundary multiplicative category multiplicative character multiplicative class multiplicative closure operator multiplicative coboundary multiplicative composition multiplicative composition law multiplicative congruence multiplicative congruential method multiplicative Cousin problem multiplicative decomposition

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