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This is the radial probability distribution formula for an s orbital, which is, of course, dealing with something that's spherically symmetrical.
这个ｓ轨道的,径向概率分布公式，它对于球对称,的情形成立。
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There are definitions based on form, circularity, symmetry, economy of form, lack of economy of form, and repetition.
有些定义是基于形式，循环，对称，形式的精简与否，重复。
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So, doing those probability density dot graphs, we can get an idea of the shape of those orbitals, we know that they're spherically symmetrical.
概率密度点图上,我们可以对这些轨道的形状，有个大概了解,我们知道它们是球，对称的,我们今天不讲。
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Student: The beauty of the language and symmetry, the sentence structure, the word choice: I guess going away from the theme, more of just the language.
语言的优美和对称，句子结构，选用的词：,我想除开主题，我更喜欢它的语言。
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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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The guiding thread of the book is the correspondence, the parts of the city and the parts of the soul.
本书的导引线索是,当中的相似之处，城邦一部份与灵魂一部份间的对称性。
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This stem cell which is reproduced still has the potential to undergo asymmetric division but this one does not.
新生成的干细胞,仍然有潜能进行不对称分裂,但定向祖细胞就不行
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So, we'll talk about this other axis of style on the course, writing code that looks pretty and as well aesthetically laid out.
我们来讨论一下这个中心对称的程序，这程序写出来的结果很漂亮,完全按照美学角度摆放。
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Then I have to try to do that on the other side, as symmetrically as I can.
另一边,我也尽量画的对称
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Just to point out in passing, up to now, we've been looking mostly at symmetric games.
顺便说一下,到目前为止,我们所学的大部分是对称博弈
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It's very asymmetrical, right? Marcus?
它非常的不对称,对不对,马库斯
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And, I know I need to come up with four symmetric equi-length bonds, and let's just see, let's draw the structure here.
我想我们需要,4个对称的等长的键，让我们画出CH4的结构。
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That's an example of symmetric sequence and it happens that most restriction enzymes also recognize those spaces.
这是一个对称序列的例子,大多数限制性内切酶都能识别这些序列
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You have a symmetric molecule, and let's see.
一个非常对称的分子，再看看。
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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 I now hybridize these, if I take these and I make four symmetric, now, these are just the sp3 orbitals.
如果我将他们杂化，然后形成4个对称的轨道，这就是sp3轨道。
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So, somehow we have to figure out a way to take orbitals that are non-symmetric, and convert them into orbitals that are symmetric.
所以有时我们需要找到一个方法,让不对称的轨道，转变为对称的轨道。
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Also, it is cylindrically symmetric around the bonding axis, so this is how we know that it's a sigma orbital.
此外，它关于键轴是圆柱对称的，这就是为什么我们知道它是sigma轨道。
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So in molecular orbital theory, what we did was we named orbitals based on their symmetry.
在分子轨道理论中，我们基于轨道的对称性给它们命名。
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Same bond, symmetric bonds means equal energy, which means equal links.
相同的对称的化学键意味着相等的能量，相同的联系。
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In this case, this particular restriction enzyme cuts symmetrically like this, but not at the same point.
在我们这种情况下,这个限制性内切酶总是这样对称地切割,但两条链切割的位点不一样
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And yet, the molecule is symmetric and nonpolar.
所以这个分子是对称非极性的。
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Notice this game is not symmetric in the payoffs or in the strategies.
但注意此博弈的策略与收益是非对称的
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They help prevent fraud, misrepresentation, manipulation of information in stocks and bonds.
它帮助人们防止诈骗，虚报和巧妙利用证券股票市场中，信息不对称而牟利等事情的发生。
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So that's asymmetrical division and that's a property of stem cells.
以上说的就是不对称分裂,是干细胞的性质之一
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One result of this asymmetrical division is a committed progenitor cell.
这种不对称分裂的一个结果,是产生定向的祖细胞
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It's perfectly symmetric.
它是完全对称的。
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This is important because this molecule here, deoxyribose, is not the same upside down as it is - it's not symmetrical upside down and right side up, it's different because the 5' carbon's either pointed up or pointed down.
这很重要,因为对脱氧核糖来说,不都是像这样自上而下的,不是对称的自上向下或全部向上的,长链不同是由于,5'碳向上或者向下的指向不同
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The thing is still not dominated and we could still have done exactly the same analysis, and actually you can see I'm not very far off in the numbers I made up, but things are not perfectly symmetric.
这虽然不能成为劣势策略,但我们还是能得出一样的分析结果,实际上这和我编的数字相差也不是很远,凡事并不总是绝对对称的嘛
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Or it can the kind of change we talked about before, where during division there are some chemicals that are trapped in one cell and not in the other, and that could lead to a difference we already talked about.
可能是我们之前说过的,在分裂过程中可能发生的,不对称分裂的现象,并导致我们已经讲过的某些不同
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