本报告以现代工程科学技术的视角、生动的事例，阐述了钱学森院士在开创中国航天事业、进行我国航天事业宏观谋划、实施我国重大航天技术指导与决策，以及组织、运筹和领导中国导弹、火箭与航天器的发展工作中所做出的卓越贡献。

This paper, from the angle of view of modern engineeing science and with lively examples, expounds the outstanding contributions of Academician Qian Xuesen in the initiation and macroscopic design of Chinas space undertakings,the direction and decision of key space technical problems,as well as the organizing and leading work for the development of guided missiles,launch vehicles and spacecrafts.