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Nearby,the futuristic tram station is made up of sharp angles and geometric shapes.
VOA: special.2011.04.13
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If these bonds were all completely of equal distance apart, whether is was a lone pair or bonding electrons, 5° the angles would be 109 . 5 degrees.
如果不管它是孤对，还是成键，它们等距分开的话，键角是109。
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That's brilliant he made all of these incredible shots, and angles, and the dissolves in the structure of it.
他能够做出这些难以置信的,镜头，角度和解构,这是很高明的。
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Since that time McKibben has written a dozen books that address climate change from many different angles.
VOA: standard.2010.04.21
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How far you are away from the nucleus in terms of a radius, they don't depend at all on those two angles, theta they're independent of theta phi and they're independent of phi.
只和离核子的距离，也就是半径有关，它们和,另外两个角度无关，它们不决定于,也不决定于。
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Torrey says it was no small feat composing shots of the ruins without any tourists in the frame, but even more difficult was chasing the ever-changing angles of natural light.
VOA: standard.2009.12.15
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OK, so tiny fraction, tiny fraction of alphas, tiny fraction of incident alphas, tiny fraction of incident alphas deflected through large angles.
这一小部分，极少的阿尔法粒子，极小部分的入射阿尔法粒子，小部分的入射阿尔法粒子,以大角度偏转。
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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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So that a half circle, instead of calling it 180 degrees, And a quarter circle, instead of 90, It's good to know certain famous angles.
半圆,不说它是180°,四分之一圆,不叫90°,知道一些常用的角度很有必要
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To answer the question what is Biomedical Engineering, we're going to spend time on that today and we'll spend time on Thursday, and I want to approach it from a couple of different angles.
我在今天和周四课上,来回答,生物医学工程是什么,我会从一系列不同的角度来带你们入门
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Thomas Sowell in the Housing Boom and Bust In just one year, 27% home prices fell by 27% in San Digo, 28% 28% in Los Angles 31% and 31 % in San Francisco.
您在书中说,仅仅一年间，：，“,房价下降了%,在圣地亚哥，在洛杉矶，房价下跌了,在旧金山，下降了。
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No matter where you specify your electron is in terms of those two angles, it doesn't matter the angular part of your wave function is going to be the same.
不论你将，这两个角度,取成什么值，波函数的角向部分,都是，相同的。
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I'm going to give you the data set of the scattering angles of the atoms.
我会把,这些原子散射角的数据发给你。
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A tiny fraction of the incident alpha particles were deflected through large angles.
极小部分的入射的阿尔法粒子,发生大角度的偏转。
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And, moreover, they are at right angles to one another that we've learned.
更多的是，根据我们所学的知识,它们都是和另外一个互成直角。
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So again, if we think about that shape of that carbon atom, it's going to be trigonal planar, 120° it's going to have bond angles of 120 degrees, because we have this set up of having three hybrid orbitals.
如果我们考虑碳原子的形状，它是平面三角形，键角是，因为我们有这三个杂化轨道。
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Majority of alphas transmitted, that means, when I use the term transmitted that means passing through in the direction that they were originally traveling, transmitted and some deflected through small angles.
阿尔法粒子大部分穿过去了，当我用穿透这个词,是说按照原来的方向,穿透过去,包括有些小角度的偏离的穿透。
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So, deflected through small angles.
所以是小角度的偏转。
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We have two lone pairs, so if we thought about what the bonds were everywhere, 5° it would be 109 . 5, but it's bent because we're only looking at the bonds, we're not counting the Lewis structures in naming our geometry, but they do affect the angles.
我们有两个孤对，所以如果我们考虑它会成怎样的键时，应该成109。,但它是折线型，因为我们只考虑成键，在几何形状里不考虑Lewis结构，但它会影响角度。
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On what else do you use theta for, if not angles?
如果不用angles的话，你会用些什么词去描述角度呢？
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We call that a node, r and a node, more specifically, is any value of either r, the radius, or the two angles for 0 which the wave function, and that also means the wave function 0 squared or the probability density, is going to be equal to zero.
节点就是指对，于任何半径，或者，两个角度,波函数等于，这也意味着波函数的平方或者概率密度,等于，我们可以看到在1s轨道里。
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So if, in fact, we want to describe a wave function, we know that we need to describe it in terms of all three quantum numbers, and also as a function of our three positional factors, which are r, the radius, phi plus the two angles, theta and phi.
实际上，我们想描述波函数，我们知道我们需要,用这三个量子数来描述它，同样，波函数还是,三个位置变量的函数，它们是r半径，还有两个角度theta和。
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