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1991年3月1日

1分钟阅读

猜谜游戏

美国环保署试图确定极低频 (ELF) 是否有害

作者：蒂姆·比尔兹利

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More by Tim Beardsley

This article was originally published with the title “Guessing Game” in 大众科学 Magazine Vol. 264 No. 3 (March 1991), p. 30
doi:10.1038/scientificamerican0391-30

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