threshold illumination

英 [threshold illumination]
美 [threshold illumination]

中文释义

临界照度

单词分析

单词结构：

threshold illumination

字母数：22

记忆提示

🎯 重点记忆：

  • 单词拼写：threshold illumination
  • 核心含义：临界照度

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更新时间：2025-12-08 06:56:13