测量不确定度应用中的几个问题

Some problems on uncertainty of measurement in application

就ＩＳＯ１９９３（Ｅ）测量不确定度表示指南，指出一些使用不当的问题，并就两类评定方法、不确定度的传播与合成、扩展不确定度的包含因子以及规范表示方式等问题阐述了作者的一些见解。

Based on“ISO 1993 (E) Guide to the expression of uncertainty inMeasurement”,points out some misusing problems.And shows the author's opinion about the problems of the two types evaluation of uncertainty,the propagationand combination of uncertainty, the coverage factor of expanded uncertainty, normal expression.