primary frequency zone

英 [primary frequency zone]
美 [primary frequency zone]

中文释义

主频区

单词分析

单词结构：

primary frequency zone

字母数：22

记忆提示

🎯 重点记忆：

  • 单词拼写：primary frequency zone
  • 核心含义：主频区

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更新时间：2026-03-21 12:09:43