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That means that p1 and -- where I am, the point number 1 and point number 2 were completely arbitrary.
因为1和，两个点是2,陆军上面。
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Path number 2 on my diagram it's a reversible, this path number 2, it's a reversible constant pressure path.
路径，首先是一个，等压过程。
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But now at least you have a template that you can base cookies number 2 and 3 and 4 and 5.
但是最起码你有一个饼干人模板,可以据此制造出2号饼干人，3号，4号，5号等等。
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1/2 And we have the spin quantum number 2 as plus 1/2 for electron one, -1/2 and minus 1/2 for the electron two.
我们有自旋量子数,对于电子，我们有自旋量子数。
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Number 2 is internal and external communication.
第二是内部和外部的交流。
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Number 2, we are going to Werner Heisenberg.
第二，我们来看看沃纳，海森堡。
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Premise Number 2 Only changing things are composite.
前提2,只有能改变的东西才是合成的。
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In fact the number of photons headed to your your eyes from those 2 tiles is exactly the same, physically that is the same.
实际上这两张瓷片,投射进你眼睛的光量子是一样的，从物理学的角度上说是完全相同的。
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Remember, we saw that last time looking at the binary numbers. 2 to the n is a big number.
还记得吗，我们上次看过的二进制数,从2到n是一个很大的数。
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One of the interesting properties of cells that are in exponential growth is that the time to increase the cell number by a factor of 2 is always the same.
细胞有一个有趣的性质,那就是在指数增长阶段,细胞增长的速度,永远是以二为底数来增长的
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It looks like the number 2 so I'm going to go ahead and put the number 2 where?
好像是数字,我要把数字2放在哪里？
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That's going to be number 2 right here.
这就是路径。
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It's as though I've walked across the stage like this realized, damn, it was the guy over here or rather I found the smallest element here who beat out number 2 over here so I can now put number 1 into place and recall that it didn't matte if I punted whoever was standing here 'cause they were given to me randomly anyway.
这就像是我这样走过讲台,然后才发现要找的人在那儿,或者说发现了最小的元素,那么就可以将1号放在正确的位置,而在这儿的是谁并不重要,因为他们本身就是,随机的。
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All right, so the bonding order, you're correct, should be 2, if we subtract the number of bonding minus anti-bonding electrons and take that in 1/2.
好，你们是对的，键序为，如果我们用成键数,减去反键数除以2。
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The way that we can figure this out is using something called bond order, and bond order is equal to 1/2 times the number of bonding electrons, minus the number of anti-bonding electrons.
我们可以用叫做,键序的概念来弄明白它，键序等于1/2乘以成键电子,数目减去反键电子数目。
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Now, I don't have to fill my head 6 with 2.18 times 10 to the minus 18. 13.6, that's a cool number. I can remember that.
现在，我不需要记住,2。18乘10到负18，13。,那数字太给力了，我可以记住它。
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No, we can't. Because if l equals 1, we can not have m sub l equal negative 2, right, because the magnetic quantum number only goes from negative l to positive l here.
不行，因为如果ｌ等于１,ｍｌ的值不可能等于－２，对吧，因为磁量子数的值,这时只能从－１到１
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If I were to rip these pieces of paper, I wouldn't be destroying the number two.
要是我把这些纸撕碎,数字2并没有被我给损毁了
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Let's look at path number 2. Path number 2.
再来看路径。
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The sum of path number 2 and path number 3 get me to the same place, so the energy change by going through this time path, this intermediate point here back all the way to final state should be the same the red path.
而经过路径2和3可以3,到达同样的末态，因此经过路径,2和3带来的能量的变化，与路径1带来的,能量变化相同。
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du du for path number 2.
关注。
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One, two, three, four, so on each level of the picture I'm drawing, I've seem only to be looking at each number once.
，2，3，4，可见，在我画的,这幅图的每一层上，对每个数字,都只会用到一次。
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So, we need to actually add on this fourth quantum number, 1/2 and it's either going to be plus 1/2 or negative 1/2.
所以我们需要加上这第四个量子数，它等于1/2或者负的。
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This is 2 to the 64, and that's a pretty big number.
这是2的64次方，是相当大的数字了。
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2 Let me go ahead and put the number 42.
我放置数字。
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This was a huge number for me up until 2 weeks ago Besides the 100 billion neurons in the brain . there are 12-15 thousand cochlear hair cells.
直到两周前，这对我来说还是个庞大的数字,除了这一兆亿个神经元外,还有12，000到15，000个毛细胞。
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