time and frequency standards

[time and frequency standards]
[time and frequency standards]

中文释义

时间和频率基准

单词分析

单词结构:

time and frequency standards

字母数:28

记忆提示

🎯 重点记忆:

  • 单词拼写:time and frequency standards
  • 核心含义:时间和频率基准