适应人口发展的现代化综合交通运输体系研究
赵鹏军, 吕迪, 胡昊宇, 曹毓书, 谢金芯, 庞亮, 曾良恩, 张听雨, 袁丹丹

Population-development oriented comprehensive modern transport system in China
ZHAO Pengjun, LYU Di, HU Haoyu, CAO Yushu, XIE Jinxin, PANG Liang, ZENG Liang'en, ZHANG Tingyu, YUAN Dandan
图10 1982—2018年中国人口年龄结构变化情况
Fig. 10 Changes of the age structure of China's population from 1982 to 2018