人口学-畅读网

　　　　

人口学

作者：郭未

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本书是作为人口学的第一门教程而著，也是为此，书之英文名除了可翻译为Introduction to Demography，还可译为Demography: A First Course。通过系统阅读本书，读者能对人口学的基本概念与方法，即“生（生育分析）、死（死亡分析）、迁（迁移流动）、测（人口预测）”有系统的认识，并能够据此对一些社会现象及其背后的相关政策逻辑有自我的分析和理解，比如中国生育政策的动态调整、人口老龄化趋势及其社会影响等。

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SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 14 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.000461s ]
SELECT * FROM `ls_goods` WHERE `del` = 0 AND `status` = 1 AND `create_time` <= 1793083327 ORDER BY `create_time` DESC LIMIT 5 [ RunTime:0.365235s ]

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