注：表中不确定度以定值标准偏差和样品的不均匀方差表示。

Note: Uncertainty in table is showed by the square minus of the standard deviation from laboratory average data and sample unhomogeneity.

youdao

注：表中不确定度以定值标准偏差和样品的不均匀方差表示。

Note: Uncertainty in table is showed by the square minus of the standard deviation from laboratory average data and sample unhomogeneity.

youdao