中国陆地边境旅游发展区域差异及其影响因素
张生瑞, 王英杰, 鞠洪润, 钟林生

The regional differences of land border tourism development in China and influencing factors
ZHANG Shengrui, WANG Yingjie, JU Hongrun, ZHONG Linsheng
图2 各类边境旅游资源质量等级数量结构
Fig. 2 The structure of land border tourism resources in different quality