dual tone multifrequency

英 [dual tone multifrequency]
美 [dual tone multifrequency]

中文释义

双音多频

单词分析

单词结构：

dual tone multifrequency

字母数：24

记忆提示

🎯 重点记忆：

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

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更新时间：2026-02-01 00:04:00