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1998年11月1日

1分钟阅读

卡克图斯山工具时代

寻找最早的美国人

作者：蒂姆·比尔兹利

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This article was originally published with the title “Tool Time on Cactus Hill” in 大众科学 Magazine Vol. 279 No. 5 (November 1998), p. 34
doi:10.1038/scientificamerican1198-34

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