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2002年11月1日

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永动机改头换面，但方法依旧

作者：格雷厄姆·P·柯林斯

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This article was originally published with the title “Selling the Free Lunch” in 大众科学 Magazine Vol. 287 No. 5 (November 2002)
doi:10.1038/scientificamerican112002-2h7MVCfYuNb7qYPLYrfhEQ

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