four-level laser rod

英 [four-level laser rod]
美 [four-level laser rod]

中文释义

四能级激光棒

单词分析

单词结构：

four-level laser rod

字母数：20

记忆提示

🎯 重点记忆：

  • 单词拼写：four-level laser rod
  • 核心含义：四能级激光棒

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更新时间：2026-03-18 03:26:52