double frequency seq

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double frequency sequence signalling system
[double frequency sequence signalling system]
[double frequency sequence signalling system]

中文释义

双频顺序信令制

单词分析

单词结构:

double frequency sequence signalling system

字母数:43

记忆提示

🎯 重点记忆:

  • 单词拼写:double frequency sequence signalling system
  • 核心含义:双频顺序信令制