2月 2 0日是中国空间技术研究院建院 35周年纪念日。中国国家主席江泽民致信祝贺 ,勉励该院为中国航天事业发展再立新功。江泽民在贺信中说 ,35年来 ,中国空间技术研究院艰苦奋斗 ,顽强拼搏 ,取得了以神舟号飞船为代表的显著成绩 ,为增强中国的综合国力和国防实力作出了重要贡 February 20 is the 35th anniversary of the founding of the China Academy of Space Technology. Chinese President Jiang Zemin sent a letter of congratulation and encouraged the institute to make new contributions to the development of China's space industry. Jiang Zemin said in his letter that for 35 years China Academy of Space Technology has worked hard and made unrelenting efforts to achieve remarkable achievements represented by the Shenzhou spacecraft and has made important contributions to enhancing China's overall national strength and national defense strength