Harvard-Draper sequence

英 [Harvard-Draper sequence]
美 [Harvard-Draper sequence]

中文释义

哈佛-德雷伯恒星光谱序

单词分析

单词结构：

Harvard-Draper sequence

字母数：23

记忆提示

🎯 重点记忆：

  • 单词拼写：Harvard-Draper sequence
  • 核心含义：哈佛-德雷伯恒星光谱序

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更新时间：2025-12-09 07:48:30