搜索筛选:
搜索耗时4.1383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
类      型:
[期刊论文] 作者:Yiheng Chi, 来源:美国运筹学期刊(英文) 年份:2018
Bicycle is an affordable and environmental friendly alternative to private cars and public transportation. Recently, some big cities in China established the bi...
相关搜索: