英语词汇common population 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	common population variance
释义	common population variance 简明释义共同变异数网络释义 1 ?共同变异数 estimation for population variance 总体方差的估计 Common population variance 共同变异数 estimation population variance 总体比例的估计 ..
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英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。