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certified reference standard

英 [certified reference standard]
美 [certified reference standard]

中文释义

有证参考标准

单词分析

单词结构:

certified reference standard

字母数:28

记忆提示

🎯 重点记忆:

  • 单词拼写:certified reference standard
  • 核心含义:有证参考标准

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更新时间:2025-12-09 18:04:18

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