To enhance the quality of manufacturing as responsibility, build national brand of measurement!
To enhance the quality of manufacturing as responsibility, build national brand of measurement!
给出测量结果的同时，必须给出其测量不确定度。测量不确定度表明了测量结果的质量，质量愈高不确定度愈小，测量结果的使用价值愈高；质量愈差不确定度愈大，使用价值愈低。在检测/校准工作中，不知道不确定度的测量结果不具备使用价值。
测量不确定度是对任何测量的结果存有怀疑。测量不确定度亦需要用两个数来表示：一个是测量不确定度的大小，即置信区间；另一个是置信概率（或称置信水准），表明测量结果落在该区间有多大把握。
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China's leading enterprise in variable frequency power measurement and metering
National variable frequency power measuring instrument (metering station) founder
Research and development unit of national variable frequency power metering standard