液体比重测定不确定度的指南(HUG

[中文适用范围]： 本文件提供了对测量不确定度本质及其在估计水文测量中测量或测定“质量”的重要性的理解。 本文件适用于天然和人造渠道的流量测量。 不包括降雨量测量。 [外文原描述]： This document provides an understanding of the nature of measurement uncertainty and its significance in estimating the "quality" of a measurement or a determination in hydrometry. This document is applicable to flow measurements in natural and man-made channels. Rainfall measurements are not covered.