A similar ratio was calculated by 18th-century French naturalist Georges Buffon, who reported that dogs can live to 10 or 12, and man to 90 or 100.
18世纪法国自然学家乔治·布丰(Georges Buffon)也进行了类似的年龄比例推算，他报告称狗可以活10到12岁，而人可以活到90到100岁。
This is known as Buffon's needle problem, after the French mathematician Georges-Louis Leclerc, Comte DE Buffon, who first proposed it in 1733.
这就是著名的蒲丰针问题，由法国数学家乔治·路易·勒克莱尔蒲丰伯爵在1733年第一次提出。
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