资源禀赋、经济基础与海南自由贸易港建设
程叶青, 张金萍, 陈妍

Resource endowment, economic foundation, and the construction of Hainan Free Trade Port
CHENG Yeqing, ZHANG Jinping, CHEN Yan
图2 四级以上旅游资源点分布
Figure 2 Distribution of tourist sites above level 4