pstn based circuit switched data network

英 [pstn based circuit switched data network]
美 [pstn based circuit switched data network]

中文释义

以公众电话网路为基础的电路交换式资料网路

单词分析

单词结构：

pstn based circuit switched data network

字母数：40

记忆提示

🎯 重点记忆：

  • 单词拼写：pstn based circuit switched data network
  • 核心含义：以公众电话网路为基础的电路交换式资料网路

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更新时间：2026-02-02 06:43:35