The book Longitude by Dava Sobel tells the story of John Harrison who figured out how to calculate how far east or west a ship was on the ocean.
达瓦索贝尔写的这本书《经度》讲述了约翰哈里森如何计算出轮船在海面上从东到西航行距离的故事。
The book Longitude by Dava Sobel tells the story of John Harrison who figured out how to calculate how far east or west a ship was on the ocean.
达瓦索贝尔写的这本书《经度》讲述了约翰哈里森如何计算出轮船在海面上从东到西航行距离的故事。
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