文章从当代世界科学文化的大背景出发，通过比较，阐明了钱学森在现代科学技术特别是系统科学研究方面，在国内独领风骚，在国际屹立群伦；探讨了钱学森取得这一成就的深刻原因，论述了由此获得的思想启示。

This article, proceeding from large background of contemporary science and culture,and through comparison, expounds Qian Xuesen monpolizing excellence in China and standing erect of the same generation in international for research of modern science and technoloygy, in particular system science. It inquires into the deep cause for Qian Xuesen getting this achivement and discusses the thinking enlightenments from this work.