Methods of Monitoring the Change of Sex Ratio at Birth 

Using census and sampling survey data of China and other countries,this paper studies demographic and statistic methods of monitoring the changes of sex rati...
《China Population Today》  2010年 第Z2期 下载次数(53)| 被引次数(0)

气候变化对北方农牧交错带界线变迁影响的定量探测方法研究(英文) 

The quantitative effect of climate change on fragile regions has been a hot topic in the field of responses to climate change. Previous studies have qualitative...
《Journal of Geographical Sciences》  2017年 第09期 下载次数(161)| 被引次数(3)