大家都承认美国是科学技术领先、经济高度发达的国家。但是它在采用计量单位制度方面却相当落后,尽管在科学研究领域已使用国际单位制,但在工程技术和日常生活中却仍大量使用和保留英制。这不仅影响本国的经济、科技发展,给社会公众生活带来极大不便,也不利于经济、科技、文化 Everyone acknowledges that the United States is a country with a leading science and technology and a highly developed economy. However, it lags far behind the introduction of a system of units of measurement. Although the use of the SI system has been used in the field of scientific research, it is still largely used and preserved in engineering technology and daily life. This not only affects the development of our economy and science and technology, but also brings great inconvenience to the public life as well as economic, technological and cultural