从1981年12月至1984年3月笔者在美国国家标准局进修工作了二年多。在此期间,笔者还访问了麻省理工学院、威斯康辛大学、斯坦福大学、莫尔公司、HP公司、联合仪器公司等一些知名学校和工厂,参加了几次国际学术会议,参观了几次国际展览。本文结合笔者在美国、特别是在美国标准局的见闻,谈些对机械工业发展动向的看法。 From December 1981 to March 1984, I studied in the National Bureau of Standards for more than two years. During this period, I also visited some well-known schools and factories such as MIT, University of Wisconsin, Stanford University, Moore, HP and Union Instruments, participated in several international academic conferences and visited several international exhibitions . This article combines my knowledge in the United States, especially in the United States Bureau of Standards, talked about some of the views on the development trend of the machinery industry.