It appears to be useful in that way but I imagine it does more compelling things these days but I have not seen it myself.
那样看起来仿佛比较有效果,但我想这些天它非常引人注目,只是我自己没看到而已。
Now, I've got to tell you, for those of you who have not seen this movie, I'm about to spoil it. All right?
我先申明,没有看过这部电影的同学们,我要剧透了,好吧
If you have not seen the calculus that I'm about to use on the board, or more likely, if you've forgotten it since high school, don't panic.
如果你们没有见过我将要,在板书上写的表达式,或者说,高中毕业你们就忘了,没关系
Okay. For those who have not seen a radian, it's just another way to measure angle with the understanding that a full circle, which we used to think is 360 degrees, So a radian is roughly 60 degrees.
我想告诉那些还不懂弧度制的同学,这是衡量角度的另一种方法,理解起来是这样的,对于一个整圆,也就是我们之前所说的360°,所以1弧度大约是60°
And, by the way, this business on working on every problem is important because I have seen some people who start working on number one, but that is not their strong suit.
另外,解决每个问题的事情,是很重要的,因为我看到一些人,从第一个开始工作,但这不是他们的强项。
We have seen the rise of a whole set of threats that we're not prepared to deal with, from climate change to global epidemics.
我们发现危机重重,我们还没有应对的准备,从气候变化到全球范围内的流行病。
But whatever your reason for being here this is in fact our introduction to Computer Science; and contrary to what you might have heard or seen or perceived in high school, odds are computer science is not quite what you imagined it to be.
但是不管你们来这儿的原因是什么,这门课介绍的都是计算机科学,可能与你们平时听到的看到的,或者在高中时所想象的恰好相反,计算机技术的优势完全不是你想象的那样。
So, this evidence is very possible to see in diametrically opposed ways, and you're certainly not the first two students that I've seen have those two different reactions to the same thing.
所以,我们非常可能要从完全不同的角度来看待这些了,你们两个不是最早对这个问题,有两种不同看法的学生了。
I should also warn you that this code includes some Python concepts, at least one, that you have not yet seen.
我得事先说明这个代码中,包括了一些你没见过的Python语言的概念,至少一个。
This would be good luck if you were long and now suddenly you got a huge return that you would not have thought was possible since you've never seen it before.
如果你长期持有这份投资,你就走运了,回报如此之高,你自己都没有料到,可能你也从来没有见过这种情况
People who have seen this before, done it before, lived through it, and now you can count on them not to run away, better than you can on a fresh recruit who's never done this before.
有经验,杀过人,亲历过战争的人,往往可以靠得住,不至于临阵脱逃,从没参加过战斗的新兵蛋子一般都不怎么靠谱
There is some research done by the psychologist Judy DeLoache at University of Virginia where she's studying babies' fears of spiders and snakes, babies obviously who, since their parents are normal, have not yet seen spiders and snakes.
这是心理学家朱迪·德洛克的研究,在弗吉尼亚大学,她研究孩子对蜘蛛和蛇的恐惧,孩子们,如果父母是正常人的话,从未见过蜘蛛和蛇。
I mean, you may not understand it with algebra before but some of these sorts of pictures have you seen before?
我是说可能代数部分你没看懂,但你们以前见过类似的图像吧
N log N is not nearly as good as log N. As a sanity check, what algorithm have we seen that runs in log N time?
而N,log,N和log,N并不一样,我们之前探讨过的哪个算法其时间复杂度是log,N呢?
And I still have that question So that's something that kind of troubles me I had not seen the Afghan National Army as being national as much as I wanna it to be Yeah. Therefore when the time comes they may not do what President Karzai wants them to do?
我始终没搞清楚这个问题,这个问题一直困扰着我,我没有看到过阿富汗国防部队,如我所期待的那样具有民族意识,所以如果在危难时刻,他们有可能不听从卡尔扎伊的指挥?
For Problem Set 1, as you may have seen already, ; what I thought I'd -- I had not, in fact, seen that clip; so I did a quick Googling and that's actually as relevant as the movie really gets I think to computing.
对于习题集1,你们可能已经看过了,事实上,我还没看过这个电影片段;,所以我google了一下,那个实际上是跟,我想要处理的电影是相关的。
Just a quick check and this is not for the camera, how many of you have seen Bertrand competition before?
我们迅速了解一下,这不是为了录影,你们谁之前学过伯川德竞争
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