What we are saying here is if Q is necessary for P so if Q isn't the case then P isn't the case either.
我们说的，如果Q对于P来说是必须的，所以如果Q不是这样，P也不是这样。
P-waves are sometimes known as primary waves, because they travel faster through the Earth and so are the first to arrive at monitoring stations.
P波有时被看作纵波，因为它们以更快的传递速度穿越地球内部，因此最先被地震监测站台发现。
Even if your interest is more in Perl 6, P: : RD has so much in common with Perl 6's grammar facility that learning it is worthwhile.
即使您的兴趣更多在于Perl6，了解一下p：RD也是值得的，因为它与Perl 6语法工具有如此多的相似之处。
Well, at point P, the velocity vector QP is perpendicular to the line QP, 1 so the sine of that angle is one.
点P，速度向量,垂直于直线，所以该角的正弦值为。
Normally I couldn't do that Vdp because this term would have p dV plus V dp, but we've specified the pressure is constant, so the dp part is zero.
一般情况下我不能这么写,因为这一项会包含pdV和，但是我们已经假定压强为常数，所以包含dp的部分等于零。
We also want to assign the Person to a variable p, so we can use it for printing.
我们同时希望把Person赋给一个变量，这样我们就能够打印它。
ut/p/kcxml, but not the entire URL, so the correlation for this string must be broken.
ut/p/kcxml,但不是整个的URL,因此这个字符串的关联必须被打破。
Then, rules that apply to certain p tags, or divs. And so on.
然后是应用于特定p标记或div 的规则，等等。
So, if I try to form a parallelepiped with these three sides, and P is not in the plane, then it will have some volume.
所以如果我试着用这三边构成一个平行六面体，如果点P不在这个平面内，这个平行六面体就会有体积。
However, if the agencies wanted to plead innocence, this was not the ideal time for S&P to part company with its president, Kathleen Corbet, so that she could “spend more time with her family”.
无论如何，信评公司要想证明自己的清白。但对于标准普尔来说现在不是个时候让它们的总裁凯瑟琳·科贝特辞职，而使她可以"更多的陪伴家人"。
So another way of saying what is p as a function of capital P, is to ask the question what is the slope?
另外一个表达这个问题,即问分压p作为总的压强P的函数，的方式是问斜率是多少？
Well, presumably because whatever cognitive structures it takes in your brain to underwrite the ability to P-function, those cognitive structures have been broken, so they no longer work.
大概是因为，无论你大脑中的什么认知结构，使得人格功能性成为可能，这种认知结构都被破坏了，它们不再继续工作。
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。
Since PC prices dropped so quickly, analysts now expect Dell and H-P to announce slimmer PC profit margins when they report quarterly results later this month.
由于PC价格迅速下滑，分析师们现在预期戴尔和惠普本月晚些时候公布季度业绩时会宣布PC利润下滑。
So we're going to have to revise the P-functioning or the end of P-functioning theory of death.
我们要修改人格功能，或者人格功能的完结代表死亡这一说法。
This is a parabola, so it's completely symmetric about the vertical, about p.
这是个抛物线，因此关于P点轴对称。
So, the position of this point, p, is going to be the same as OP knowing the vector OP from the origin to this moving point.
点p的位置就是，从原点指向这个运动点的向量。
Well, that's at least an improvement, because then we say, look, while you're asleep, even though there's no P-functioning going on, the lack of P-functioning is temporary, so you're still alive.
这至少算是个改进，因为我们能说，看，你睡着了，即便没有任何人格功能性发生，人格功能性的缺少是暂时的，就说明你还活着。
So it already should make sense why we have that p orbital there, in order to form a pi bond, we're going to need a p orbital.
这里有p轨道是很合理的,为什么我们在这里有P轨道，为了形成一个π键，我们需要一个p轨道。
So, we end up with a total of six electrons that are possible that have that 2 p orbital value.
所以我们最后,总共得到了6个电子,在所有可能的“2p“轨道值中。
So 16578 becomes s, r, d, l, p. You can then insert any vowels within these letters to create nouns.
所以16578就是s,r,d,l,p。然后把元音字母查到这些字母中间来创造名词。
However, it might not always resolve to the account that was intended so it is still necessary to take care when using the -p option on Windows hosts.
但是，这并不是一成不变的，因此在Windows主机上使用—p选项时仍然需要格外注意。
So this gives me p minus one constraints.
这给了我们p-1个约束条件。
So now we're putting 2 electrons into the same p orbital, that's not a problem, we can do it, it's not a huge energy cost to do that.
现在我们在同一个，p，轨道上放了两个电子，这没问题，我们可以这样做，这样不会亏损太多能量。
So if we go ahead and hybridize our p orbitals and our s orbitals, we'll switch from having these original orbitals to having something called hybrid orbitals.
如果我们,杂化p轨道和s轨道，我们会从原来的轨道,变成一个叫杂化轨道的东西。
For example, you could create a key-mapping (say:; p) that causes text like the previous paragraph to be displayed within Vim like so.
比如，可以创建一个键映射(比如；p)，能够按照下面的方式在Vim中显式文本(比如前一个段落)。
So we can also show them coming together this way, so now you're looking at it where you can see the p orbital, and maybe just see well one of the hydrogen atoms.
我们也可以看到它们从这个方向靠拢，现在你看的方向你可以看到p轨道，也许可以看到一个氢原子。
So we can also show them coming together this way, so now you're looking at it where you can see the p orbital, and maybe just see well one of the hydrogen atoms.
我们也可以看到它们从这个方向靠拢，现在你看的方向你可以看到p轨道，也许可以看到一个氢原子。
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