United States Frequency Standards

英 [United States Frequency Standards]
美 [United States Frequency Standards]

中文释义

[网络] 美国频率标准

单词分析

单词结构：

United States Frequency Standards

字母数：33

记忆提示

🎯 重点记忆：

  • 单词拼写：United States Frequency Standards
  • 核心含义：[网络] 美国频率标准

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更新时间：2026-02-07 20:32:17