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1990年8月1日

1分钟阅读

树中的时钟

树木年轮揭示最古老道路的精确年龄

作者：瑞奇·罗斯汀

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Ricki Rusting is managing editor of 大众科学.

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This article was originally published with the title “A Clock in the Trees” in 大众科学 Magazine Vol. 263 No. 2 (August 1990), p. 30
doi:10.1038/scientificamerican0890-30a

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