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1997年1月1日

1分钟阅读

数字专栏

受威胁的哺乳动物

作者罗杰·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. 1 (January 1997)
doi:10.1038/scientificamerican011997-6WUaYQ2XBXnhUlhLmAkpRo

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