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1999年3月1日

1分钟阅读

网络空间中最美好的事物是免费的

作者：保罗·沃利奇

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PAUL WALLICH is a staff writer for 大众科学.

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This article was originally published with the title “The Best Things in Cyberspace are Free” in 大众科学 Magazine Vol. 280 No. 3 (March 1999), p. 44
doi:10.1038/scientificamerican0399-44

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