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So, our next level up that we can go is going to be the n equals 2 energy level, but we also have an l and an m value, 0 so our lowest l is going to be a there.
所以下一个能量,是n等于2的能级，但我们还有l和m的值，所以我们最低的l等于。
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Like, it's harder to get around L.A. because you have to drive everywhere and I really don't like driving.
想要在洛杉矶游玩要比在纽约困难，因为无论去哪都要自己开车，而我确实不喜欢开车。
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If you've read L'Allegro and Il Penseroso, you know that the image of the great mythological poet Orpheus is always a loaded one for Milton.
如果你们读过《快乐的人》和《沉思的人》，就会知道,伟大的神话诗人俄耳甫斯对弥尔顿来说一直是个沉重的形象。
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And as France held its breath,because they wanted a boy, this miracle baby was born,l'enfant du miracle.
法国十分紧张,他们想要一个男孩儿,然后这个孩子诞生了,奇迹之子
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l l So what you can do for a 1 s is just take 1 minus 1 and then l is equal to 0, so you have zero radial nodes.
它等于1减去,是等于0的，所以没有节点，这和我们看到的是相符的。
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In the Savings and Loan crisis it was a certain segment of the banking community--the S&L's that seemed to be in trouble but it didn't seem to be then a house of cards that could spread around the country and around the world.
在储贷危机中，只是银行机构中的,一个特定部分-储蓄和存款,陷入了困境,但是这似乎不是一个,能够延伸至整个国家,和整个世界的不切实际的无法实现的计划。
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n l m s Once we have chosen a certain mix of n, l, m and s, it is used once for that particular atom.
一旦我们选定了一组量子数，它就只能被一个固定原子所有。
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Since the fall of 2009, Joshua Bolten has been teaching at the Woodrow Wilson school of Public and International Affairs of Priceton University where he is a John L. Weinberg Goldman Sachs Company Visiting Professor.
从2009年秋季开始，约书亚一直在普林斯顿大学的,伍德罗·威尔逊,公共和国际事务学院教课,他是从约翰·温伯格,高盛集团请来的客座教授。
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Some languages like English has a-- have a distinction between 'l' and 'r.' Other languages do not.
某些语言,如英语,在"l"和"r"之间是有差别的,其他语言则没有
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L.A.'s not as exciting as New York, I guess. It's more suburban and residential than New York.
我认为洛杉矶没有纽约精彩，她更属于郊区，更适宜居住。
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long l So let me try this, long l, and then let me do a little Copy Paste here and say a long is actually the size of l. So let me quit that program; recompile.
让我们来试一下，然后我在这里复制粘贴一下,这里long的大小实际上是l的大小，所以让我退出,那个程序，重新编译。
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And if you've typed in l when you should've 1 typed a 1, or a 1 when you should've typed an l, you're likely to miss it. If you've made a mistake with upper and lower case. Things like that. So just be very careful looking at that.
如果你本来想打，1，的时候,却输成了，l，或者打，l，的时候输成了，你很可能注意不到这个错误,如果你把大小写弄混了也是一样,要注意这个错误。
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R And we abbreviate that by calling it r, l by two quantum numbers, and an l as a function of little r, radius.
我们把它简称为，两个指定的量子数n和，它是半径小r的函数。
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So when we talk about p orbitals, it's similar to talking about s orbitals, and the difference lies, and now we have a different value for l, so l equals 1 for a p orbital, and we know if we have l equal 1, we can have three different total orbitals that have sub-shell of l equalling 1.
当我们考虑ｐ轨道时，这和ｓ轨道的情形和相似，不同之处在于ｌ的值不一样，对于ｐ轨道，ｌ等于１,我们知道如果ｌ等于１,我们有３个,不同的轨道。
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And when we talk about l it is a quantum number, so because it's a quantum number, we know that it can only have discreet values, it can't just be any value we want, it's very specific values.
当我们讲，l是一个量子数时，因为它是量子数，我们知道，它只能去分立的值，它不能取到所有的数，它取一些确定的数。
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s We are back over to E as a function of n, l, m and s, only we got there through this other torturous route.
我们回到将E作为函数n，l和，只要我们解决了这个烦人的路径。
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But since it is a component it can have a direction, too, so can go up l between negative l and positive l.
但因为它是个分量,它是有方向的，所以它可以,从负的l一直到正的。
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n l So negative e, which is sub n l, because it's a function of n and l in terms of quantum numbers.
也就是负的，E，下标是，因为它是一个,关于量子数，n，和，l，的函数。
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So, for example, English has a phoneme of "Lu," "L," and a phoneme of "R."
例如,英语有"Lu","L" 和"R"的音位
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So if we say that we have a 2 p orbital here, that means that we can have 2 how many different complete orbitals have a 2 for an n, and a p as its l value? three.
如果我们说这里有一个“2p“轨道，那就意味着我们有,多少完全不同的轨道对于n有一个,而且对于l值有一个p？3个。
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If you think of two towns down here, Brive,b-r-i-v-e,famous for its rugby, and Tulle,t-u-l-l-e,which is a capital.
如果你可以想起来这儿的两个城镇,布瑞福,b-r-i-v-e,以英式橄榄球运动而负有盛名,图勒,t-u-l-l-e,是一个省的首府
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l So, if we're talking about a 4 p orbital, and our equation is n minus 1 minus l, the principle quantum number is 1 4, 1 is 1 -- what is l for a p orbital?
我们方程是n减去1减去，主量子数是，4，1是1，--p轨道的l是多少？,学生：
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