英语词汇“covariance”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	covariance
释义	co·variance \(\|)kō+\ noun Etymology: co- + variance : the arithmetic mean or the expected value of the product of the deviations of corresponding values of two variables from their respective mean values
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