sample variance-covariance matrix

英 [sample variance-covariance matrix]
美 [sample variance-covariance matrix]

中文释义

样本方差协方差矩阵

单词分析

单词结构：

sample variance-covariance matrix

字母数：33

记忆提示

🎯 重点记忆：

  • 单词拼写：sample variance-covariance matrix
  • 核心含义：样本方差协方差矩阵

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更新时间：2026-01-31 21:27:45