城市群范围界定方法研究——以长江三角洲城市群为例
孙伟, 闫东升, 吴加伟

On the urban agglomeration scope definition method: A case study of the Yangtze River Delta
Wei SUN, Dongsheng YAN, Jiawei WU
图3 长江三角洲各城市与上海、南京、杭州、合肥引力强度
Fig. 3 Attraction strength of cities with Shanghai, Nanjing, Hangzhou and Hefei in the Yangtze River Delta