著名物理学家李政道博士有一次给学生讲课时, 忽然把身体侧过去,让学生看他头脑的侧面形象,并比 划着说:“假如由我的眉毛,沿着额角、头顶心、后脑勺、 头颈直到脊柱,画一条弯曲的线,那是标点符号中的什 么号?”学生立刻回答说:“问号。”“对了,我们人类头脑 的侧面形象就 When the famous physicist Dr. Li Zhengdao once gave lectures to students, he suddenly passed his body to the side and asked the students to look at the side of his mind. He gestured and said: “If my eyebrows are on my forehead, my head, my head, Head and neck until the spine, draw a curved line, which is the number in the punctuation mark?“ The student immediately answered: ”Question mark.“ ”Yes, we have a side image of the human mind.