second-order moment around mean

英 [second-order moment around mean]
美 [second-order moment around mean]

中文释义

二阶中心矩

单词分析

单词结构：

second-order moment around mean

字母数：31

记忆提示

🎯 重点记忆：

  • 单词拼写：second-order moment around mean
  • 核心含义：二阶中心矩

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更新时间：2026-04-13 12:51:46