approximate variance of the ratio estimate

英 [approximate variance of the ratio estimate]
美 [approximate variance of the ratio estimate]

中文释义

比率估计的近似方差

单词分析

单词结构：

approximate variance of the ratio estimate

字母数：42

记忆提示

🎯 重点记忆：

  • 单词拼写：approximate variance of the ratio estimate
  • 核心含义：比率估计的近似方差

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更新时间：2026-02-05 23:28:40