Zu was best known for his calculation of pi (π).
祖以计算 pi（Π）而闻名。
In order to remember Zu, some mathematicians suggest calling pi "Zu Lv".
为了纪念祖，一些数学家建议称圆周率为“祖率”。
pi -- Pages paged in from paging space.
pi——从页面空间读取的页面。
We want to discuss sigma bonds and pi bonds.
我们要讨论sigma键和π键。
Square of the Planck constant times pi mass of the electron.
普朗克常量的平方,乘以π再乘电子的质量。
where (with pi = 3.1415... and sqrt() denoting the square root)
其中 (pi = 3.1415...，sqrt()表示平方根)
Since exp(i*pi)=-1, CPhase(pi,x) will flip the sign of the |1> component.
由于exp(i*pi)=-1，CPhase(pi,x)会对 |1>分量的符号取反。
Then the integral of one dxdy will just be the area of this unit disk which is pi.
那么积分1dxdy的值,就是单位圆的面积π
Gabriella: I’m sorry, I was just... Uh... Shouldn’t the second equation read 1 6 over pi?
凯碧：对不起，我只是……嗯……第二个等式的结果不是应该等于16除以π么？
But his masterpiece, the place closest to his heart, was the city he named after himself, Pi-Ramesse.
而在他的这些杰作当中，最贴近他心意的就是这座以他自己名字命名的都城-派拉姆西城。
He used a computer, but you can also calculate pi at home with some needles and a sheet of lined paper.
当然，贝拉德要求助于电脑，不过你也可以用最简单的办法在自家客厅计算圆周率，所用材料只是几根针和一张横格纸。
Of all the wonders of ancient Egypt, Ramesses the Great's capital - the city of Pi-Ramesse, was one of the most spectacular.
在古埃及所有奇观中，拉姆西斯大帝的首都派拉姆西城是其中最为壮观的一个。
PI: I've judged several European, Four Continents, and World Championships, as well as many junior and senior Grand Prix events.
PI：我执法过一些欧锦赛、四大洲和世锦赛，还有青年组和成年组大奖赛的一些赛事。
Ignoring a clunky numerical system and devising his own, he demonstrated the nature of infinity and calculated a value for pi.
他抛弃了繁琐的数字系统并自创了一套，同时揭示了“无穷大”的性质并计算出了圆周率的数值[2]。
The bright, greenish star on the right is PI Scorpii, which marks one of the claws of the scorpion in the constellation Scorpius.
右边这颗绿色明亮的星星是piScorpii，它标出了天蝎座两只蝎钳中的一只。
And if you ask the fans of pi why, a startling number of them will come back with the same question: "Why climb Mount Everest?"
如果你问π粉丝为什么，绝大多数人会回问你同样的问题：“为什么要爬珠穆朗玛呢？”
The bright star on the right with the greenish haze is Pi Scorpii, one of the claws of the scorpion in the constellation Scorpius.
照片右边带有绿色阴霾的亮星是天蝎座Pi（PiScorpii），它位于天蝎座（constellation Scorpius）的一只蝎爪位置。
The digits of pi can then be translated into a sequence of these people and objects, which the memoriser links by making up a story.
这些数字也就变成了一长串有序的人和事物，然后通过编故事的方法让这些人和事物发生逻辑联系。
The reason is that, as mentioned earlier, Scheme will rename pi and e so they don't conflict with other names in enclosing or nested scopes.
原因在于Scheme会对pi和e 进行重命名，使它们不会与包含或嵌入宏的范围中的其他名称冲突。
Two years ago, Tammet became famous for reciting pi to 22, 514 decimal places with the same ease that the rest of us can reel off 3.142.
两年前，Tammet因为背诵 π至小数点后22514位而出名，而且他背起来就像我们背到3.142那么容易。
The pi-calculus and conformance check provide that rigorous basis that we can then extend to build practical and hopefully usable systems.
并行计算和一致性检验提供了严密的基础，我们能在此基础上去搭建实用的，有发展前景的系统。
So, as they're very quietly handing out your class notes, let's think about what this bond is here, this boxed bond, is it a pi bond or a sigma bond?
在他们发讲义的同时，我们来看看这个键，方框里的这个键，它是sigma键还是π键？
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.
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。
The page section in the output indicates current paging status of your system; pi column indicates number of pages read into the memory and po column indicates number of pages paged out of the memory.
输出的page部分指示系统的当前分页状态；pi列指示读入内存的页数目，而po 列则指示移出内存的页数目。
2010年3月14日：圆周率日。
He recited PI from memory to 22, 514 digits.
他凭记忆背诵圆周率到22 514位。
PI : Only once, but it wasn’t at a high level cometition.
PI：只有一次，不过那不是一个高水平的比赛。
The second line is key, the stylesheet processing instruction (PI).
关键是第二行中的样式表处理指令(PI)。
Pi-this column represents the pages paged in from the paging space.
pi—这一列表示从分页空间调入的页面数。
PI -this column represents the pages paged in from the paging space.
pi——这一列表示从分页空间调入的页面数。
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