柏拉图叙述了“黄金比例”，认为完美脸部的宽度是长度的三分之二，鼻子不能比两眼之间的距离长。
Plato wrote of the "golden proportions," which dubbed the width of an ideal face an exact two thirds its length, a nose no longer than the distance between the eyes.
将针随便丢在纸上，然后计算出落在线上的针的百分比，随着尝试次数的足够多，最终这个百分比将越来越逼近针的长度除以格子的宽度再乘以2/pi。
Drop the needles on the paper and calculate the percentage that fall on a line. With enough attempts, the answer should be the needle length divided by the width between lines, all multiplied by 2/pi.
按照计划，PD岛是三座岛屿中最大的一个，它的长度是14千米，宽度是8.5千米，比巴黎市区还要大。
The Palm Deira planned to be the largest of the three islands, with a length of 14 km and a width of 8.5 km, an area larger than the city of Paris.
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