positive definiteness covariance

英 [positive definiteness covariance]
美 [positive definiteness covariance]

中文释义

正定协方差

单词分析

单词结构：

positive definiteness covariance

字母数：32

记忆提示

🎯 重点记忆：

  • 单词拼写：positive definiteness covariance
  • 核心含义：正定协方差

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更新时间：2026-04-10 20:47:26