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These glaciers are the largest body of ice outside the polar caps.
VOA: standard.2010.01.23
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Another reason I wanted to point this out in terms of the polar coordinates that we're using, is I think they're actually flipped from what you're used to seeing in physics.
另一个我想指出,我们采用极坐标的原因是，我认为它们实际上是,从你们习惯于看到的物理学中出来的。
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So it's kind of the polar opposites,
虽然这两种是截然相反的衣服，
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Walsh spent eight years in academia. The retired Navy captain continued to pursue his passions as a scuba diver, private pilot and explorer, participating in dozens ocean dives and expeditions to the polar regions.
VOA: standard.2010.06.21
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And I think in the polar one I said, if, what did I do there, I said, yeah, again if the x and y are greater than the other one, I'm going to return them to it.
然后我要返回一些值，我认为在极坐标的形式下我说过，如果，我在这里做了什么来着,我说过，对，再说一次，如果x和y坐标。
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Yves Frenot is deputy director of the French Polar Institute.
VOA: special.2009.06.03
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The second way to have something that is net nonpolar is to have spatially symmetric disposition of polar bonds.
第二种构成,需要空间非极性,就是需要极性键的空间对称分布。
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He says this piece of work is more about the melting ice of the Arctic than polar bears.
VOA: standard.2009.12.13
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In terms of the Schrodinger equation, we now can write it in terms of our polar coordinates here.
在薛定谔方程中，我们现在可以用,极坐标的方式来表示了。
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While this work isn't about polar bears specifically, the melting Arctic does mean they're threatened.
VOA: standard.2009.12.13
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And if I go look at the polar form of this, OK, good, looks right, right?
现在它有一个不同的坐标，以及跟原来相同的角度？
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He was inspired when visiting a remote Inuit community in Northern Canada, and now wants to share his experiences of seeing polar bears and the Arctic.
VOA: standard.2009.12.13
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the same as polar point 2, polar point 1 And then I could say well, gee, are they the same point?
和另外一个极坐标点，我如果来试试，和polar，point，2是不是相同的话？
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A good example of that is CH4, because the CH bond is polar but symmetrically disposed in space.
甲烷就是一个很好的例子，因为极性键是,空间对称的。
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If it's in polar form I passed in a radius and angle and I'll compute what the x- and y- value is.
以及半径和角度,但是现在是这样的,不管我是以哪种形式。
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Because this is a dipole, he chose the pole part of dipole to give us polar covalency.
这就是偶极，鲍林选择了偶极中“极“这一部分来,组成极性共价这个词向我们诠释。
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We only have the one bond so the actual HF molecule is polar, it has a net dipole.
但HF中只有一根键,所以分子也是极性的而甲烷中有一个网状偶极。
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If I now say, I'm going to go ahead and change the radius of this, something, my polar form did it right, but what happened to the Cartesian form?
如果我现在说，我要去改变这里的半径,一些这样的操作，我的极坐标形式，进行了正确的改动？
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I could do the same thing, I could build polar point.
很多笛卡尔点，我可以做一些同样的操作。
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Here is the question. Is methane a polar molecule or a nonpolar molecule? Let's look carefully.
问题是，甲烷是一个极性分子还是非极性分子,我们仔细看看。
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And he coined the term "polar covalency."
他创造出还提出了一个属于有极性共价键“
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This bond is polar, but again, as I alluded to earlier, because the carbon is centered in the tetrahedron, because of the sp3 hybridization, the molecule itself is symmetric and nonpolar.
这个键是非极性的，但是，我们断言过早，因为C是中心原子，由于sp3杂化，这个分子本身是非极性的且对称的。
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Here's the polar representation of it, some random set of numbers which makes sense.
也就是，这里是它的极坐标表示法,一些有意义的随机数字集。
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The second problem is, 1 suppose actually I had p 1 and p 2 were in polar form, and I ran add points on them.
第二个点也就是，半径为3角度为1,也就是差不多在这，那么什么点，对不起。
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You know when you add 2 polar forms, you add the radii together, you don't add the angles together, you need to do it in Cartesian form.
表示形式的不同理解，返回给你了不同的值，这也就带来了一系列的问题，第二个问题是。
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