【摘要】 不确定度是用于表征合理赋予被测量值的分散性和精确程度,它是表示测量结果的一个区间范围,它的计算包含了用概率统计的方法和用其他非统计的方法两个部分,用不确定度来代替误差来表示测量结果是当前测量界的一种趋势。更多还原

【Abstract】 Uncertainty is the most scientifre and the most common trend to characterize the diviation degree in current fields,and it is also used to indicate the dispersion of measurement value.uncertainty is the wsure degree of measured value because the exsiting of the measurement error,and if contains the influence of measurement results caused by the errors from different sources.更多还原