政府与铁路

为了赢得战争而协调二十六万英里的铁路
作者:J. Bernard Walker,《大众科学》编辑

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大众科学 Magazine Vol 118 Issue 14This article was originally published with the title “The Government and the Railroads” in 大众科学 Magazine Vol. 118 No. 14 (), p. 314
doi:10.1038/scientificamerican04061918-314
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