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四月 1, 1988

1分鐘閱讀

空中樓閣？

總統要求為民用研發增加 12 億美元撥款

作者蒂姆·比爾茲利

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More by Tim Beardsley

This article was originally published with the title “Pie in the Sky?” in 大眾科學 Magazine Vol. 258 No. 4 (April 1988), p. 20
doi:10.1038/scientificamerican0488-20a

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