photometric primary standard

英 [photometric primary standard]
美 [photometric primary standard]

中文释义

光度基准器

单词分析

单词结构：

photometric primary standard

字母数：28

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🎯 重点记忆：

  • 单词拼写：photometric primary standard
  • 核心含义：光度基准器

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更新时间：2026-02-02 07:38:35