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在北极保护区发现恐龙化石

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大众科学 Magazine Vol 287 Issue 6This article was originally published with the title “Cretaceous Park” in 大众科学 Magazine Vol. 287 No. 6 ()
doi:10.1038/scientificamerican122002-2cQpQbJpeuDqG6GBCkabY5
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