“埃文，J.A.”的概念、定义、翻译、参考文献-科学参考

单词	埃文，J.A.
释义	埃文，J.A. Encyclopedia 理学〔材料史人物〕（49）释 James Alfred Ewing埃文，J.A. （1855-03-27～1935-01-07）英国苏格兰物理学家和工程师。
随便看	variance component variance component model variance component models variance-covariance analysis variance-covariance component estimation variance-covariance matrix variance-covariance propagation law variance estimation variance functon variance inflation factor variance matrix variance of an estimator variance of a probability distribution variance of a random variable variance of unit weight variance per unit weight variance ratio variance ratio test variance reduction Variance-sociolinguistics（Variation socialinguistics, Variationist socialinguistics） variance-stabilizing transformation variance swap variance test variance within classes variance within laboratory

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