摘要
Thedemographicstructureofpopulations,particularlyageandsex,hasprofoundconsequencesforharmoniousandsustainablesocialandeconomicdevelopment.Furthermore,analyzingsexratiosofpopulationsisimportantinanalyzingthedevelopmentofthestatusOfwomenandgirls.
出版日期
2004年03月13日(中国Betway体育网页登陆平台首次上网日期,不代表论文的发表时间)