搜索筛选:
搜索耗时4.2267秒,为你在为你在102,285,761篇论文里面共找到 1 篇相符的论文内容
发布年度:
[会议论文] 作者：Xueming(Jimmy)Chen,Feng Suwei,
来源：2017年世界交通运输大会 年份：2017
Even though China has entered the aging society,its transportation-related facilities and services for elder persons are still lacking or insufficient,which has seriously impeded elder persons travel...
相关搜索：
