The new frog jumped. Dan'l just lifted up his body but could not move at all.
VOA: special.2009.08.29
It turns out there's a new function strlen S-T-R-L-E-N that you probably have not used yet called strlen, S-T-R-L-E-N, programmers early on and still like to be succinct but communicates sufficiently what they mean.
结果这里有个新的函数,你可能没有使用过,叫做,早期的和现在的程序员喜欢简洁地,但是能充分的传达他们的意思。
New York is different. It's still diverse but not as diverse as L.A., I feel like.
纽约就不同了。纽约也很多元化,但和洛杉矶相比还差一些。
Sometimes there is a strong focus on slavery but weak punishments, says I.L.O.official Roger Plant.
VOA: special.2009.06.08
We didn't just need that n, not just the principle quantum number that we needed to discuss the energy, but we also need to talk about l and m, as we did in our clicker question up here.
我们不仅需要n,不仅要这个可以,决定能量的主量子数,还需要m和l,就像我们做这道题这样。
But no N.F.L.teams showed immediate interest in having him play.
VOA: special.2009.08.01
Didn't create a new list. The old l is still there but it's different than it used to be.
它改变了数组,而并没有新建一个数组,老数组l依旧存在。
(OMITTED) He says earthquakes are natural events, but if homes were built properly, the L'Aquila quake would not have been so devastating.
VOA: standard.2010.04.06
l Stupid convention, but you have to do dash L and then the name of the library.
还是规定,必须先写,再跟上库的名称。
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。
When I was working in a place called Tulle, which is down here--t-u-l-l-e, not Tours, but Tulle-- I knew vaguely that there had been a massacre there in June sixth, 1944, and a lot of people had been hung.
我在一个叫蒂勒的地方工作的时候,在这里t-u-l-l-e,不是图尔是蒂勒,我大概记得,在1944年六月六号那里有个大屠杀,很多人被吊死了
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。
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。
But also unlike n, l cannot have just any value, we can't go into infinity.
但不像n,l,不能取所有整数,不能到正无穷。
That's what you expect, but what's going to happen if I print L 2?
你们期望的是怎么样的?,我去打印下L2会显示什么呢?
You might wanna say dash L math but it turns out /lm it's so common that people just say dash LM.
你们可能会说,/lmath,其实可以简化,因为使用太广泛了,一般都简化为。
l But now we need to talk about l and m as well. So now when we talk about a ground state in terms of wave function, we need to talk about the wave function of 1, 0, 0, and again, as a function of r, theta and phi.
但我们现在需要讨论,和m,现在当我们讨论,波函数的基态时,我们讨论的,是1,0,0的波函数,同样的,它也是r,theta和phi的函数。
The other main difference that we're really going to get to today is that in multi-electron atoms, orbital energies depend not just on the shell, which is what we saw before, not just on the value of n, but also on the angular momentum quantum l number. So they also depend on the sub-shell or l.
我们今天要讨论的,另一个很重要的区别就是,在多电子原子中,轨道能力不仅仅依赖于,我们以前看到的外层,不仅仅依赖于n的值,而是与角动量量子数也有关系,所以它们也依赖于亚外层或者。
Now I'll print L 2. Kind of what you'd guess, but here's the interesting question: if I say L 1 is assigned 0, L 1 sub is assigned 4, I'll print L 1.
然后我将显示下L2的内容,你,们猜猜这个有趣的问题:,如果我将L1赋值为4的话,再去显示下L1,会怎么样呢?
So it's OK to not specify. I want to point out, pz whether you're in the p x, the p y, or the p z, unless a question specifically m asks you to specify the m sub l, which occasionally will happen, but if it doesn't happen you just write it like this.
我想指出的是,无论你在px,py或,除非一个问题特别地,让你指出l下面的,这种情况有时会发生,这样就可以了,但是如果它不做要求你们写成。
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