地方饮食到全国小吃:兰州拉面和沙县小吃空间扩散的案例研究
朱邦耀

From local food to national snacks: Spatial expansion of Lanzhou hand-pulled noodle and Shaxian snack restaurants
ZHU Bangyao
图3 兰州拉面、沙县小吃门店热点区分布
Fig.3 Hot spot distribution of Lanzhou hand-pulled noodle and Shaxian snack restaurants