And what I want to point out here is this angular dependence for the p orbitals for the l equals 1 orbital.

这里我要指出的是,ｌ等于１的ｐ轨道随角度的变化。

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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。

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And our job is to find out what is the mathematical description of this path, this line in p-V's case that connects these two point.

我们的任务,就是找出，描述这条曲线的方程。

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Not to be an Eeyore, but I should point out that with 9 p.m.

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