hydrogen maser frequency standard

[hydrogen maser frequency standard]
[hydrogen maser frequency standard]

中文释义

[核] 氢激射型原子频率标准

单词分析

单词结构:

hydrogen maser frequency standard

字母数:33

记忆提示

🎯 重点记忆:

  • 单词拼写:hydrogen maser frequency standard
  • 核心含义:[核] 氢激射型原子频率标准