President Obama's first State of the Union address came at a time when his Democratic Party is still reeling from a stinging defeat last week for a U.S.Senate seat in the heavily Democratic state, Massachusetts.
VOA: standard.2010.01.28
But the kind of exercise we did last time is a useful exercise for those of you who are Econ majors.
但是我们上节课做的练习,对经济学专业的同学是非常有用的
unless it has really good quality or I think it's going to last me for a really long time.
除非它真的质量很好,或者我认为我真的会用很久。
What America do we see? I'm going to look back to a passage I talked about in a different vein last time, on 26 and 27, just for one quick example.
看到什么了呢?,我们看到了什么样的美国?,我想回到,上一次讲另一个脉络时讲到的段落,在26到27页。
- I would say that this is more of a-- more for fun than perhaps as enlightening as the pure visualizations where that we looked at last time.
我觉得这更加-,比我们上次看的演示,更加有趣。
You remember the "Letter to a Friend" that we looked at for the last time.
你们记得上节课我们读的《信朋友的一封信》吧。
All right? A linear search, I start at the beginning of the list and walk all the way through it. All right, if I'm lucky and it's at the low end, If it's not, if it's at the far end, I've got to go forever, and you saw that last time where this thing paused for a little while while it actually searched a list this big.
如果很幸运就在开头,那运行起来很快,如果是在末尾,那就一直得走到头,上次看到了,如果搜索空间很大,程序都会暂停一会,好的,那我希望你们。
We are basically committed to each other for sex but it's very hard to make those relationships last a long time because we might not have anything in common, we might not share anything with each other, we might not trust each other, we are not particularly bonded to each other.
我们基本上只有激情的承诺,长时间维持这种关系很困难,因为可能双方没有任何共同点,没有共享的东西,我们可能互不信任,不是特别亲近。
And then finally, as you know, the first concept sheet is due next week, and any of those who were here for the first time can go to the lecture notes for last week and it gives a detailed description of how to do the first concept sheet.
最后,第一篇论文的截止日期是下周,新来的同学,可以翻阅上周的讲课笔记,对于如何做第一篇论文,里面有详细的说明
All right, so one thing that I want to point out, which I said many, many times on Friday, and this is perhaps the last time I'll say it, but one last time is we can think about why we only see a line for the 2 p orbital, versus we don't see separate lines for a 2 p x, a 2 p y, and a 2 p z.
好的,我还要指出一个问题,这个问题我在上周五已经说了很多很多次了,这可能是我最后一次提到它,但是这最后一次让我们来考虑一下,为什么我们只看到了一条,对应于,2,p,轨道的线,而不是分别对应于,2,p,x,2,p,y,2,p,z,的线?
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