population covariance

英 [population covariance]
美 [population covariance]

中文释义

总体协方差

单词分析

单词结构：

population covariance

字母数：21

记忆提示

🎯 重点记忆：

  • 单词拼写：population covariance
  • 核心含义：总体协方差

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更新时间：2026-02-01 10:28:25