文章对测量不确定度的定义，分类及来源进行了阐述，并且讲述了测量不确定度的评定方法和步骤。

This paper introduces the definition, classification and sources of the measurement uncertainty, as well as the methods and steps of the evaluation of measurement uncertainty.

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全国海关实施统一的企业分类管理评定程序、评定标准和管理措施。

The customs of all country shall perform unified appraisal procedures, appraisal standards and managing measures on classified management on enterprises.

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就不确定度的定义、分类、评定步骤和方法、报告与表示、有效位数等问题进行了讨论。

The definitions, classification, steps and method of evaluation, report and expression, significant places of number etc. for measurement uncertainty were also discussed in the paper.

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For example, the teaching fellows will divide all the concept sheets in week one, and one teaching fellow will grade part of the alphabet and another will grade another part of the alphabet.

助教们在第一周将所有的论文,按字母顺序分类,一位助教评定一部分,另一位助教评定另一部分

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选