本文是根据吴建民教授1985年5月应邀回国讲学时在北京航空学院所作报告的录音整理的。经本人审阅后同意在本刊发表。两个值得注意的倾向我几次访问中国,觉得在中国的研究工作中,有两个值得注意的倾向: 1.从事验证性研究工作的多。许多研究人员正在进行的所谓“课题研究” This article is based on the recording of the report made by Professor Wu Jianmin at the Beijing Institute of Aeronautics when he was invited to return home for lectures in May 1985. After I reviewed, I agreed to publish in this magazine. Two noteworthy tendencies I visit China several times and think there are two notable tendencies in China's research work: 1. There is much work on confirmatory research. Many researchers are conducting so-called “research projects”