英语词汇variance of unit weight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	variance of unit weight
释义	variance of unit weight 简明释义单位权方差网络释义 1 [测]?单位权方差 ... 单位权unit weight 单位权方差，方差因子variance of unit weight* 弹道摄影测量ballistic photogrammetry ... 2 ?方差因子 ... 单位权 unit weight 单位权方差，*方差因子 variance of unit weight 弹道摄影测量 ballistic photogrammetry ... 双语例句 1 A prior estimate of unit weight variance is usually calculated by the classicalFerrelo's formula. 三角洲量单位权方差的先验估值一般用经典菲列罗公式计算。 2 The cause is that the unit weight estimation variance and the generality variance of the distribution don't equal with each other. 产生的原因在于单位权方差与分布的总体方差不相等。
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