dual tone multi frequency

英 [dual tone multi frequency]
美 [dual tone multi frequency]

中文释义

双音多频

单词分析

单词结构：

dual tone multi frequency

字母数：25

记忆提示

🎯 重点记忆：

  • 单词拼写：dual tone multi frequency
  • 核心含义：双音多频

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更新时间：2026-03-19 21:52:53