制造技术是工业与科技发展的支柱和基础,特别是其中的精密加工技术是使国家发达的重要因素。 我国在精密加工研究及实践方面,受原有基础水平的制约,尽管起步不算太晚,但发展速度较慢,拉大了与技术发达国家的差距,自进入八十年代以来,情况有了较大变化,这突出地表现在以下几个方面。 Manufacturing technology is the pillar and foundation of the development of industry and science and technology, especially the precision machining technology is an important factor to make the country developed. In the research and practice of precision machining, our country is constrained by the original basic level. Although it is not too late to begin with, its development has been slow and widened its gap with developed countries. Since the 1980s, the situation has been Larger changes, which are highlighted in the following areas.