粤琼区域协同与海南自由贸易港建设 |
李国平, 徐祯 |
Regional coordination between Guangdong and Hainan and the construction of Hainan Free Trade Port |
LI Guoping, XU Zhen |
图7 2013—2018年粤琼引力强度指数变化 |
Figure 7 Change of gravity intensity index of Guangdong and Hainan Provinces, 2013-2018 |
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