voice frequency carrier telegraph

英 [voice frequency carrier telegraph]
美 [voice frequency carrier telegraph]

中文释义

音频载波电报

单词分析

单词结构：

voice frequency carrier telegraph

字母数：33

记忆提示

🎯 重点记忆：

  • 单词拼写：voice frequency carrier telegraph
  • 核心含义：音频载波电报

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更新时间：2026-04-09 09:02:45