{"title":"Research on Population Structure Prediction and Fertility Policy under the Background of Opening up to Three Children","authors":"浩杰 尤","doi":"10.12677/aam.2023.1210417","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":62065,"journal":{"name":"数学进展","volume":"29 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"数学进展","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.12677/aam.2023.1210417","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}