第一个问题,城市规划是一门综合性的学科,多学科交叉性的学科,这个是我个人对这个学科的理解。从多学科交叉来讲,上午吴良庸院士讲了人居环境科学,我理解人居环境科学是一个很大的学科群,很多学科交叉。城市规划实际上也是人居环境学科这个概念的一个部分,它也同样具有这样一个特点——有很多的交叉学科,我这里仅列举一部分,比如说建筑学、地理学、经济学、社会学、环境学、生态学、 The first question, urban planning is a comprehensive discipline, multidisciplinary discipline, this is my personal understanding of this subject. From a multidisciplinary cross, the morning of Academician Wu Liangyong talked about the living environment science, I understand that living environment science is a large subject group, many subjects cross. Urban planning is actually a part of the concept of Habitat Environment. It also has such a feature that there are many interdisciplinary subjects. I am just going to enumerate just a few, such as architecture, geography, economics, sociology, Environmental Science, Ecology,