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1997年3月1日

1分钟阅读

数字说话

全球生育与人口

由罗杰·道尔

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Rodger Doyle can be reached at rdoyle2@adelphia.net

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This article was originally published with the title “BY THE NUMBERS” in 大众科学 Magazine Vol. 276 No. 3 (March 1997)
doi:10.1038/scientificamerican031997-4TzFDcCcaXgRbY9LQKFltx

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