一九六○年偶然翻閱北京地质学院学报第四期,发現一篇題为《黄河下游冲积平原的粘土含水层》的文章。这是該院师生根据野外生产实习中所发現的問題写成的。它用生动、具体的事实,而不是用一般的論述来說明理論联系实际的重要性,說明在实际工作中,必須从实际出发,充分了解实际情况 In 1960, he glanced through the fourth issue of Journal of Beijing Institute of Geology and found an article titled “Clay Aquifer in the Alluvial Plain of the Lower Yellow River.” This is the hospital teachers and students based on field production internship found in the problem. It uses vivid, concrete facts rather than general discourses to illustrate the importance of integrating theory with practice. It shows that in practical work, we must proceed from reality and fully understand the actual situation