中国老年地理学研究进展

许昕, 赵媛, 张新林, 曾通刚, 夏四友, 谢倩倩, 孙琪

Research progress and prospects of Chinese geriatric geography

Xin XU, Yuan ZHAO, Xinlin ZHANG, Tonggang ZENG, Siyou XIA, Qianqian XIE, Qi SUN

图7 老年人空间行为活动研究关键词共现知识图谱

Fig.7 Cluster knowledge map of the spatial behavior/activities of elderly in China based on keywords