certified reference material(crm)

英 [certified reference material(crm)]
美 [certified reference material(crm)]

中文释义

有证参考物质；有证参考材料

单词分析

单词结构：

certified reference material(crm)

字母数：33

记忆提示

🎯 重点记忆：

  • 单词拼写：certified reference material(crm)
  • 核心含义：有证参考物质；有证参考材料
  • 相关含义：有证参考材料

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更新时间：2026-03-23 05:13:51