outer quality control sample
outer quality control sample
外质控样
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Objective to introduce the determination of the outer quality control sample in laboratory and the methods of uncertainty assessment for offering assistance in enhancement of laboratory level.
目的介绍铅的实验室外质控样的定值和不确定度的评定方法，为提高实验室的检测水平提供帮助。
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