時間旅行者在領域

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大眾科學 Magazine Vol 282 Issue 2This article was originally published with the title “Time Travelers in the Field” in 大眾科學 Magazine Vol. 282 No. 2 ()
doi:10.1038/scientificamerican022000-4cSRf8awqZY6D4bq9qv3xb
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