certification of a reference material

英 [certification of a reference material]
美 [certification of a reference material]

中文释义

标准物质的定值

单词分析

单词结构：

certification of a reference material

字母数：37

记忆提示

🎯 重点记忆：

  • 单词拼写：certification of a reference material
  • 核心含义：标准物质的定值

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更新时间：2026-03-11 07:14:06