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在美国很多测量标准或技术规范中,引入了测量仪表误差的不确定度这一概念。本文介绍不确定度的理论根据,并用数值例说明其使用方法。
In many measurement standards or technical specifications in the United States, the concept of uncertainty of meter errors has been introduced. This article introduces the theoretical basis of uncertainty, and explains how to use it with numerical examples.