second difference

英 [second difference]
美 [second difference]

中文释义

二阶差分

单词分析

单词结构：

second difference

字母数：17

记忆提示

🎯 重点记忆：

  • 单词拼写：second difference
  • 核心含义：二阶差分

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更新时间：2026-03-14 19:03:09