英语词汇combining estimates of variance怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	combining estimates of variance
释义	combining estimates of variance 简明释义方差的合并估计网络释义 1 ?方差的合并估计 ...计值的方差 estimates of element variance : 初级方差估计，元素方差的估计 combining estimates of variance : 方差的合并估计 .. 双语例句 1 This paper deals with the variance property of combining ridge and principal components estimate in the class of reduced-dimension estimates. 讨论岭型主成分估计在一类降维估计中的方差性质，证明了它的方差和在这类降维估计中最小。
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