References
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- 6《Richtige Grund-Sätze der Friction-Berechnung》,18 世纪,纽伦堡;法国国家图书馆藏本
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- 7里昂卢格杜努姆高卢—罗马博物馆「马戏团马赛克」,2 世纪
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- 8戈克斯塔德号,挪威文化史博物馆;1934 年克莱斯勒 Airflow,Gilmore 车博物馆
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