second-order derivative action

英 [second-order derivative action]
美 [second-order derivative action]

中文释义

[数] 二阶微商作用

单词分析

单词结构：

second-order derivative action

字母数：30

记忆提示

🎯 重点记忆：

  • 单词拼写：second-order derivative action
  • 核心含义：[数] 二阶微商作用

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更新时间：2026-03-23 02:38:27