作者:彭希哲
摘要:人口老龄化是人口年龄结构变化的最直接的人口学结果,而老年人定义的确定又在很大程度上影响对人口年龄结构变化的判断,并 直 接 通 过 劳动力市场等制度或政策安排,影响社会经济的发展。人口老龄化已经成为不可逆...
作者:Li Li and Tianjiao Jiang
摘要:
Chinese scholars’ research on “Indo-Pacific Strategy” has undergone two shifts. Firstly, they began to pay limited at- tention to the Indo-Pacific concept and the US Indo-Pacific regional strateg...
作者:Meng Yuan, Qingjun Zhu
摘要:Historically, restoring brain function after injury or disease has been extremely difficult. However, over the past few decades, new techniques have emerged for reversing or postponing the deficits ...