煤炭资源型城市城乡空间结构演变及影响因素——以安徽省淮北市为例 |
管晶, 焦华富 |
The evolution process and influencing factors of urban-rural spatial structure in coal resource-based city: A case study of Huaibei city in Anhui province |
GUAN Jing, JIAO Hua-fu |
图3 1985—2018年淮北市各区域城镇建设用地扩张指数分布 |
Fig. 3 Distribution of the expansion index of urban construction land in various regions of Huaibei city in 1985-2018 |
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