2001年12月11日是钱学森院士九十华诞。我们怀着十分高兴的心情在这里聚会,向他表示衷心的祝贺和祝福。钱老是我国杰出的科学家。他早年在美国学习和工作20年,在应用力学、空气动力学和航空工程、喷气推进和航天技术、工程控制论等技术科学领域做出了许多开创性的贡献。1955年,他冲破重重阻力毅然回到祖国。他满怀对祖国、对人民的深情热爱,几十年如一日地投身于我国科技发展和国防科研事业,为祖国奉献了他的全部智慧和力量,在老一辈无产阶级革命家的领导下,钱老以他渊博的知识、勇于创新的科学精神和对人民事业的热忱。为我国火箭、导弹和航天事业的创建与发展做出了重大的历史性贡献,是中国“两弹一星”伟大成就的元勋。他对伟大祖国和人民的无限忠诚和巨大奉献赢得了全中国科学技术界和人民群众的敬佩和热爱。他在现代科学技术诸多领域的杰出贡献也赢得了全世界科学技术界的尊重和赞扬,是 December 11, 2001 is the 90th birthday of Academician Qian Xuesen. We meet here with great pleasure and extend my heartiest greetings and best wishes to him. Money is always an outstanding scientist in our country. He studied and worked for 20 years in the United States in his early years and made many pioneering contributions in the field of applied science, aerodynamics and aeronautical engineering, jet propulsion and space technology, and engineering control theory. In 1955, he broke through all obstacles and resolutely returned to his motherland. With full affection for the motherland and for the people, he devoted himself to the development of science and technology in our country and to the cause of national defense science and research for decades, and devoted all his wisdom and strength to the motherland. Under the leadership of the proletarian revolutionaries of the older generation, The old man with his profound knowledge, bold scientific spirit of innovation and enthusiasm for the people’s cause. It has made a significant historic contribution to the founding and development of the rocket, missile and aerospace industries in our country and is the richest man in China’s “two bombs and one satellite” great achievement. His infinite loyalty and tremendous dedication to the great motherland and people have won the admiration and love of all the Chinese science and technology community and people. His outstanding contributions to many fields of modern science and technology have also won the respect and praise of the scientific and technological community in the world and are