【摘 要】
:
城市的凝块(UA ) 紧密意味着物理实体的空间集中度,例如城市(镇) ,工业,资源,资金,交通和技术,其集中被形成根据,指定了经济、工艺的驴
【机 构】
:
InstituteofGeographicSciencesandNaturalResourcesResearch,GraduateUniversityc?ftheChineseAcademyofSci
【基金项目】
:
Under the auspices of National Major Programs of Scientific and Technological Support Plan of the 11 th Five-Year PlanPeriod of China (No. 2006BAJ14B03), Knowledge Innovation Program of Chinese Academ