confocal pencil

英 [confocal pencil]
美 [confocal pencil]

中文释义

[数] 共焦曲线束

单词分析

单词结构：

confocal pencil

字母数：15

记忆提示

🎯 重点记忆：

  • 单词拼写：confocal pencil
  • 核心含义：[数] 共焦曲线束

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更新时间：2026-01-17 02:18:29