搜索筛选:
搜索耗时2.3947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:Pierre van der Eng,Kitae Sohn,
来源:河南大学 年份:2017
This paper uses the mean age at menarche as an indicator of long term changes in the standard of living in China.It discusses the difficulties of doing this in terms of the quality of the available da...
相关搜索: