基于Voronoi图剖分的区域旅游中心城市体系——以苏浙沪地区为例
기우Voronoi도부분적구역여유중심성시체계——이소절호지구위례
A Division of the Central Tourism City Based on the Principle of Voronoi Diagram—— The Case of the Regions of Su-Zhe-Hu