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%。
The relative standard expanded uncertainty of measured results by using said method was 4.4%.
采用相对合成标准不确定度的评估方法，对用开尔文法测量铜合金导电率结果的不确定度进行了评估。
We adopt the method of the relative composite standard uncertainty for estimating the uncertainty of copper alloy electric-conductivity measured by Kelvin method.
建立了一种以相对误差的标准偏差统计不确定度的评估方法。
A method for evaluation of uncertainty was established with standard deviation of relative error.
从实验结果看，测定值的相对标准偏差小于0 7%，相对不确定度小于0 5%。
Under experiment condition, RSD is less than 0.7%, reference uncertainty is less than 0.5%.
从实验结果看，测定值的相对标准偏差小于0 7%，相对不确定度小于0 5%。
Under experiment condition, RSD is less than 0.7%, reference uncertainty is less than 0.5%.
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