double-frequency sequence signalling system

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

中文释义

双频顺序信号制

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:双频顺序信号制