isdn primary rate access

英 [isdn primary rate access]
美 [isdn primary rate access]

中文释义

ISDN 原级速率存取

单词分析

单词结构：

isdn primary rate access

字母数：24

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🎯 重点记忆：

  • 单词拼写：isdn primary rate access
  • 核心含义：ISDN 原级速率存取

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更新时间：2026-02-03 05:46:23