frequency shift voice frequency telegraph

[frequency shift voice frequency telegraph]
[frequency shift voice frequency telegraph]

中文释义

移频音频电报

单词分析

单词结构:

frequency shift voice frequency telegraph

字母数:41

记忆提示

🎯 重点记忆:

  • 单词拼写:frequency shift voice frequency telegraph
  • 核心含义:移频音频电报