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一、引言计量工作是为人民日常生活、生产事业、科学研究和国防建设事业服务的。在日常生活中,人们要求公平的交换;在生产中,人们要求控制各种产品及其零件的各种质量性能的参量,通过对这些参量的准确测定来控制正确的工艺过程;在科学研究中,人们要求通过准确测定实验数据来正确认识自然现象的规律,以达到认识自然、改造自然的目的;在国防工业生产及国防科学研究中,人们对测量范围及测量精度提出比一般更高的
I. Introduction The measurement work serves the daily life, production, scientific research and national defense construction of the people. In everyday life, people demand fair exchange; in production, people demand control of various quality and performance parameters of various products and their parts, and control the correct process by accurately measuring these parameters. In scientific research , People are required to correctly understand the laws of natural phenomena through accurate determination of experimental data in order to achieve the goal of understanding nature and nature. In the field of national defense industrial production and national defense science, people have put forward higher measurement ranges and measurement precision than usual