So for example I defined p, remember back over here, as a Cartesian point, but I can actually ask for its polar form.

我可以要求返回它的极坐标形式，这里对我是可访问的，好，这很棒，请再记另外一个为什么。

麻省理工公开课 - 计算机科学及编程导论课程节选

So what you see is actually a diminished lobe on the back part of this s p 3 orbital.

你们看到,在sp3轨道的后面部分,有个小叶。

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If I want to get values back out, p I could in fact simply send to that instance a message, in this case I could say p dot x.

我就是，我刚刚在这里输入的，我得到了一个c，point的实例,如果我想把值取出来，实际上我可以。

麻省理工公开课 - 计算机科学及编程导论课程节选

So you know your cycle, you know, you could have a whole complicated sequence on a p v diagram of steps going back.

因此，对某一的循环过程，可以在pV图上画出,一系列很复杂的小步骤。

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