propagation of national standards

英 [propagation of national standards]
美 [propagation of national standards]

中文释义

国家标准传递

单词分析

单词结构：

propagation of national standards

字母数：33

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🎯 重点记忆：

  • 单词拼写：propagation of national standards
  • 核心含义：国家标准传递

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更新时间：2026-02-23 06:22:54