secondary standard of wavelength

英 [secondary standard of wavelength]
美 [secondary standard of wavelength]

中文释义

波长次级标准

单词分析

单词结构：

secondary standard of wavelength

字母数：32

记忆提示

🎯 重点记忆：

  • 单词拼写：secondary standard of wavelength
  • 核心含义：波长次级标准

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更新时间：2026-02-21 02:22:34