法学 >>> 政治学 法学 社会学 人口学 民族学 劳动科学 北京人口
搜索结果: 1-3 共查到法学 sex ratio相关记录3条 . 查询时间(0.238 秒)
The civil war between the Nationalists and the Communists in China during 1945-1949 resulted in an enormous influx of immigrants to Taiwan, majority of who were single male soldiers in their 20s or 30...
Background: The adaptive sex ratio adjustment hypothesis suggests that when mothers are in poor conditions the sex ratio of their offspring will be biased towards females. Major famines provide opport...
Fertility decline, driven by the one-child policy, and son preference have contributed to an alarming difference in the number of live male and female births in China. We present a quantitative model ...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...