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。

youdao

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？

youdao

The result indicated: (1) Application of inorganic phosphorus fertilizer increased contents of all Pi fractions in soils.

结果表明：(1)施用无机磷肥能够提高土壤无机磷各组分含量。

youdao

So, the number of nuclei, 119 if we were to sit and count these as well, is 119. So, we'll multiply that by just pi, r squared, to get that cross-section, and divide all of that by 1 . 39 meters squared.

如果你们数的话，原子核的数是，我们用它乘以πr的平方，得到横截面积，除以1。39平方米。

麻省理工公开课 - 化学原理课程节选

This is in addition to many other codecs supported in software and you can purchase licenses from the Raspberry Pi Store for MPEG-2 and VC-1 hardware decoding for just a few bucks.

ENGADGET: Raspbmc 1.0 brings stable media center duties to your Raspberry Pi

Mr. Blake derived a simple melody by playing a few dozen digits of pi using a C-major scale, with 3, 1, 4, 1, 5, 9 translated to the notes E, C, F, C, G, D and so on.

WSJ: We Can All Have a Slice of Pi | Postmodern Times by Eric Felten