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单词 covariance
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N22919420covarianceSpoken.0Fiction.0Magazine.1Newspaper.0Academic.419

covariance

/kəʊˈveərɪəns/
noun
1
mass noun Mathematics the property of a function of retaining its form when the variables are linearly transformed
【数】协方差。
2
Statistics the mean value of the product of the deviations of two variates from their respective means
【统计】协方差。
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更新时间:2025/8/2 20:54:56