By analyzing each error source of checking device of USMT, the uncertainty of checking device of USMT is analyzed and calculated with mathematical statistics and experimental method.
通过对用电现场管理终端校验装置的各项误差源的分析，利用数理统计和实验方法对用电现场管理终端校验装置的不确定度进行分析和计算。
By analyzing each error source of checking device of USMT, the uncertainty of checking device of USMT is analyzed and calculated with mathematical statistics and experimental method.
通过对用电现场管理终端校验装置的各项误差源的分析，利用数理统计和实验方法对用电现场管理终端校验装置的不确定度进行分析和计算。
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