汉英词典
Chinese-English Dictionary
MEANING OF 圆周率
圆周率 (圓周率)
(math.) the ratio of the circumference of a circle to its diameter (π)
圆周长与直径的比值。是一个常数,用π表示。中国数学家刘徽用割圆术求得π≈314,称为徽率。南北朝数学家祖冲之算出31415926<π<31415927,并以227作为约率,355113为密率。近代电子计算机出现后,π的近似值精确度大大提高。已经证明π是无理数,也是超越数。
() yuán zhōu lǜ/shuài
EXAMPLE SENTENCES

2010年3月14日:圆周率日。

Pi Day -march 14th, 2010.

我选了圆周率的符号。

I chose the symbol for PI.

他凭记忆背诵圆周率到22 514位。

He recited PI from memory to 22, 514 digits.

我是指南针、印刷术的后裔,我是圆周率、地动仪的子孙。

I was the compass, printing descendants, I was PI, children and grandchildren Seismoscope.

一开始将电子电荷平方,再除以光速和普朗克常数,然后将总数乘以2个圆周率

You start with the square of an electron's charge, divide it by the speed of light and Planck's constant, then multiply the whole lot by two PI.

有些示例展示了如何将Workers用于执行密集的数学计算,比如计算1万位数的圆周率

Some Worker examples show Workers being used to perform intense mathematical computations, like calculating ten-thousand digits of PI.

现在从天上再回到地面上,你可知道圆周率控制着弯曲河流的轨迹? 不管是亚马逊河还是泰晤士河,都被π管得服服帖帖。

Back on Earth, pi controls the path of winding rivers from the Amazon to the Thames.

所有人都应该可以阅读世界上的著作,不管是厚重的(莎士比亚,“白鲸记”,圆周率记录到小数点后一百万位),还是轻便的(彼得潘,夏洛克·福尔摩斯,“爱经”)。

Everyone should have access to the great works of the world, whether heavy (Shakespeare, “Moby-Dick”, pi to 1m places), or light (Peter Pan, Sherlock Holmes, the “Kama Sutra”).