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。
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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