【摘要】 研究了应用ＢＩＰＭ关于实验不确定度规定的有关问题，着重研究了标准不确定度的ｕｊ计算和方差合成问题，以及扩展不确定度的置信因子的近似计算问题更多还原

【Abstract】 The applications of bureau internationale des poids et mesures stipulation concerning experimental uncertainty were discussed.In particular,the methods of calculating u j and composing variance in standard uncertainty and the methods of approximately calculating confidence factor in expanded uncertainty were studied.更多还原