半个世纪以来 ,在党和国家领导下 ,我国的机械工程科学得到了很大的发展 ,已经建立了较完善的学科体系 ,在学科前沿研究、技术创新和工程应用、为国民经济服务诸方面取得了突出成就。未来机械工程科学发展的总趋势将是交叉、综合化 ;数字、智能化 ;微型、精密化 ;清洁、高效化? For half a century, under the leadership of the party and the state, the mechanical engineering science in our country has been greatly developed. A sound system of disciplines has been established. In frontiers of disciplines, technological innovation and engineering applications, it serves all aspects of the national economy Achieved outstanding achievements. The general trend of the future development of mechanical engineering science will be cross-integrated; digital, intelligent; miniature, precision; clean and efficient?