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That space is about 20 to 40 nanometers, it's not a very big space, but it's a significant space.
这个空间距离大概有20到40纳米,不是很大 但是意义重大
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She lives in Williamsburg, so it was one subway stop for her. I met her there.
她住在威廉斯堡，离这儿有一站地的距离。我在那儿和她见了面。
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You can ask what the force that this quark will exert on that quark at a certain separation.
你会问,这个夸克对一段距离以外的那个夸克,有多大的作用力
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And you can think about that if you think about a standing wave, for example, where you can have amplitude at many different values of x, so an amplitude at many different distances, but you also have areas where there is a amplitude.
你们可以想象一下驻波，在不同ｘ处,可以有不同的振幅，在不同的距离有不同的振幅，但在某些地方振幅等于０．
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You have two of them separated at a distance.
假如有三个物体，其中两个相隔一段距离。
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And at a distance of 2 r naught, I have a positive repulsive term.
在这2r圈的距离上，这里有一个不可忽略的排斥场。
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We have "unhappy consciousness," unhappy consciousness which is the result of estrangement, or Verfremdung, and which drives us too far away from the thing that we're looking at.
我们有了苦恼意识,苦恼意识源于疏远，又使我们距离所观之物过远。
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And yet,for all that,feels removed,distant, alienated from the others,feels lonely even in the crowd.
但还是感觉非常疏远，有距离感，感到和他人疏远，在人群中都觉得孤单。
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They're always back some few miles.
它们总离海有几英里的距离
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So one way to think about it is, is the expected distance from her of the winning candidates, is: with probability of a half it's herself so that's nothing, No distance, and with probability of a half it's two places away.
所以一种考虑的方法是,预期她与获胜者的距离是,由于她有一半获胜的机会所以没有成本,没有距离,且,距她两个位置远的人有另一半获胜的机会
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These details aren't important, it is described in your book, but the thing that is important to know is that diffusion occurs fast over short distances, but because of the physics of diffusion it occurs slowly over longer distances.
这些具体细节无关轻重,书上都有,重点是你要明白,距离越短扩散越快,由于扩散现象的物理特性,距离越长扩散越慢
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They had these little leftovers in there and that's why we end up with these small distances between B and C That's a big step.
他们还有一些剩余,这就是为什么,B和C之间有一小段距离,这是一个大音级
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Yeah! Also just on a... there's Thayer street which is about two blocks from here.
有！也就是在一个……有一条塞耶街，距离这里只有两条街。
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Think of how far away this is from Ezra Pound in St. Elizabeth's Hospital.
想想从圣伊丽莎白医院里的庞德,过渡到她的距离有多远。
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What we're going to do in forming a molecule is just bring these two orbitals close together such that now we have their nucleus, the two nuclei, at a distance apart that's equal to the bond length.
我们在形成一个分子时要做的就是,把这两个轨道放到一起,这样我们有他们的原子核，两个原子核，它们之间的距离为键长。
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So expansion work, for instance, or compression work, is if you have a piston with a gas in it. All right, you put a pressure on this piston here, and you compress the gas down. This is compression work.
力乘以距离，就是功，功有许多种：,电可以做功,驱动电机与电风扇,磁力也可以做功。
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But, of course, we want to go all the way to distance, so we take the second derivative and we have this equation for force here.
当然我们最后想要的是距离,所以我们取二阶微,分就有这个式子。
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But very short order.
但是非常短的距离才有作用。
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You want that shield up so that it pretty well meets your helmet, so it's going to be at a certain distance but it will also go down to where it needs to go down here.
盾牌上缘能与头盔配合保护上身,所以盾牌和身体是要有一定距离的,而盾牌的下缘用来保护下半身
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So I have a distance here of 2 r naught.
因为有一个2r圈的距离。
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So what is actually going to matter is how closely that electron can penetrate to the nucleus, and what I mean by penetrate to the nucleus is is there probability density a decent amount that's very close to the nucleus.
所以实际上有关系的是,电子可以穿越至原子核有多近,我所指的穿越至原子核是,这里有一定数量的概率密度,可以距离原子核非常近。
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s And if we go ahead and superimpose the 3 s on top of the 3 p, you can see that the 3 s actually has some bit of probability density that gets even closer to the nucleus than the 3 p did.
如果我们继续将,重叠到3p上面，你们会看到3s事实上,有一点概率密度,距离原子核更近,比3p轨道。
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