Up and over.

Technically it's ancient technology. But now the two-millenia-old-principle of the Greek mathematician Archimedes has been deployed at gargantuan scale. The Three Gorges Dam, China's marvel on the Yangtze River, is one of the world's largest engineering projects -- the product of 37...

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發表在:National geographic. 231, 3 (2017 (Mr)).
主要作者: Stone, Daniel
格式: Article
語言:English
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