WordMate - 在线英语词典

variances 'veərɪənsɪz

释义

n. 变化( variance的复数形式 ); 不和; 差异; <数>方差

英文释义

n. an event that departs from expectations
n. discord that splits a group
n. the second moment around the mean; the expected value of the square of the deviations of a random variable from its mean value

词形变化

原型: variance 原型变体: s

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