邓小平同志在中南海会见美籍华人科学家李政道先生,李先生建议“在中国建立博士后制度”。邓小平同志问,博士这个名词恐怕在汉朝就有了。产生学位制度以后,一般认为博士已经很博了,为什么还要来一个博士后?李政道先生解释道:“在大学时,教师出题目时,事先他知道解法,你运用学过的知识答对了,就拿到了学士学位。到 Comrade Deng Xiaoping met with Chinese American scientist Mr. Li Zhengdao in Zhongnanhai, and Mr. Li suggested ”to establish a postdoctoral system in China.“ Comrade Deng Xiaoping asked: ”Dr. I am afraid there is a name in the Han Dynasty. After the degree system was produced, it is generally believed that the doctor has been very rich. Why do we have to come to a postdoctoral? Mr. Li Zhengdao explained: "In the university, when a teacher gives a question, he knows the solution in advance and you use the learned knowledge to answer the question , Got a bachelor’s degree. To