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1918年4月6日

1分鐘閱讀

政府與鐵路

為了贏得戰爭而協調二十六萬英里的鐵路
作者：J. Bernard Walker，《大眾科學》編輯

作者：J. Bernard Walker

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This article was originally published with the title “The Government and the Railroads” in 大眾科學 Magazine Vol. 118 No. 14 (April 1918), p. 314
doi:10.1038/scientificamerican04061918-314

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