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释义
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Encyclopedia
工学
〔化学计量基本概念〕
释
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基准标准物质
在化学测量领域中用作原级(基准)测量标准的物质。是化学测量溯源体系的顶层物质基础,也是有证标准物质的最高等级。
Chemistry
>分析化学>标准物质>释义
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基准物质
>分析化学>标准物质>释义
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一级标准物质
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competitive intelligence audit
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competitive intelligence ethics
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competitive intelligence management
competitive intelligence method
competitive intelligence moral
competitive intelligence need
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competitive intelligence practice
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competitive intelligence quarterback method
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