distress alerting band in terrestrial medium frequ

[distress alerting band in terrestrial medium frequ]
[distress alerting band in terrestrial medium frequ]

中文释义

地球中频通信海难警戒波段

单词分析

单词结构:

distress alerting band in terrestrial medium frequ

字母数:50

记忆提示

🎯 重点记忆:

  • 单词拼写:distress alerting band in terrestrial medium frequ
  • 核心含义:地球中频通信海难警戒波段