second moment of area

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中文释义

[机] 断面二次矩

单词分析

单词结构：

second moment of area

字母数：21

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🎯 重点记忆：

  • 单词拼写：second moment of area
  • 核心含义：[机] 断面二次矩

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更新时间：2026-02-04 08:40:48