harvard system of spectral classes

英 [harvard system of spectral classes]
美 [harvard system of spectral classes]

中文释义

哈佛光谱型分类系统 (天文)

单词分析

单词结构：

harvard system of spectral classes

字母数：34

记忆提示

🎯 重点记忆：

  • 单词拼写：harvard system of spectral classes
  • 核心含义：哈佛光谱型分类系统 (天文)

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更新时间：2026-02-02 09:49:16