green developmentgreen tourismEcological Conservation Areasdevelopment potentialBeijing
绿色发展 绿色旅游 生态涵养区 发展潜力 北京
国家自然科学基金Project to Improve the Basic Research Ability of Young and Middleaged Teachers in Guangxi Universities国家自然科学基金Beijing Social Science Foundation of China
420711992021KY080819BGJ01722GLB036
2024