精確定位北極熊

作者：Dennis E. Shasha

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This article was originally published with the title “Pinpointing a Polar Bear” in 大眾科學 Magazine Vol. 286 No. 1 (January 2002)
doi:10.1038/scientificamerican012002-5U8edO5HC5rL4qvWzc6NTw

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