four-frequency duplex telegraphy

[four-frequency duplex telegraphy]
[four-frequency duplex telegraphy]

中文释义

四频(同向)双信电报术

单词分析

单词结构:

four-frequency duplex telegraphy

字母数:32

记忆提示

🎯 重点记忆:

  • 单词拼写:four-frequency duplex telegraphy
  • 核心含义:四频(同向)双信电报术