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。
Even though the best response is pretty complicated-- and by the way, obviously the things are symmetric for Payer II.
虽然最佳对策是很复杂的,顺便说一下 选手2的情况也明显是这样
You have a symmetric molecule, and let's see.
一个非常对称的分子,再看看。
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。
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
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。
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。
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。
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
We somehow have to take hydrogen, attach it to carbon, and we have to make it symmetric, and we have to make it nonpolar.
我们需要把H接到C周围,而且我们需要让它是对称,且非极性的。
And yet, the molecule is symmetric and nonpolar.
所以这个分子是对称非极性的。
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
It's perfectly symmetric.
它是完全对称的。
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
Player II has three choices, this game is not symmetric, so they have different number of choices, that's fine.
参与人II有三种选择,这个博弈不是对称的,所以他们可选策略数量不同,这无所谓
It makes sense to draw the wave function as a circle, because we do know that 1 s orbitals are spherically symmetric.
把波函数画成一个圆是有道理的,因为我们知道1s轨道是球对称的。
This is the effort cost. Similarly, player II, everything's symmetric here Player II's payoff is the same thing.
这是她的努力成本,由对称可得,参与人II的收益是一样的
Now I could go through again and do exactly the same thing for Player II, but I'm not going to do that because everything's symmetric.
如果我照此计算同理可得参与人II的,我就不算了,因为都是对称的
Most restriction enzyme also recognize symmetric sequences of DNA, GAATTC for example.
大多数限制性内切酶,也能识别DNA的对称序列,例如GAATTC
Actually, we can do it a little better than that, since we know the game is symmetric, we know that S1* is actually equal to S2*.
实际上我们能得出更多,因为我们知道这个博弈是对称的,我们知道S1*=S2
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