standard frequency source

英 [standard frequency source]
美 [standard frequency source]

中文释义

标准频率源

单词分析

单词结构：

standard frequency source

字母数：25

记忆提示

🎯 重点记忆：

  • 单词拼写：standard frequency source
  • 核心含义：标准频率源

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更新时间：2026-03-23 03:41:08