The detector TCD was taken as example, the relative expanded uncertainty of verification of chromatography was 5%.

以TCD检测器为例进行分析，对气相色谱仪检定结果的不确定度进行评定，相对扩展不确定度为5%。

youdao

The relative standard expanded uncertainty of measured results by using said method was 4.4%.

计算得到该方法测量结果的相对标准扩展不确定度为4.4%。

youdao

Is the expanded uncertainty a relative one?

该扩展不确定是相对不确定度吗？

youdao