There may be some inefficiencies, and at some point, if you catch me in the hallway, I can give you a sermon on what goes on inside that reactor.
可能会有某些损耗,如果你能在过道上遇到我的话,我会给你详细讲讲,里面到底发生了什么。
I heard that MIT offers Open Course Ware to students. What do you think of it?
我听说麻省理工给学生提供开放式课件。你有什么看法?
You've got to decide, all right? This is, you can talk to your neighbors, you know do a little bit of thinking. And I'm going to give you ten seconds to figure this out, what your vote is for that.
你们不能弃权,你们必须选择,好吗?,你可以和你附近的同学讨论,简单思考一下,我给你们十秒钟想想,你选择什么。
So technically, if you ask what does the velocity stand for-- Let me draw a general situation.
从学术角度来说,如果你问速度表示什么,那让我来给你画一个常见的场景
I'm still trying to work out a role for you so hang on for one sec.
我还在想给你配个什么角色,先等一会儿吧。
I've added the ability to have more complex data structures here. But I dropped a hint in the first lecture about what you could computer with things. In fact if you think for a second about that list, you could ask what can I compute with just that set of constructs?
我添加了使用更复杂的数据结构的能力,但是我在第一节课给大家了了一个,关于你可以用什么来做计算的暗示,实际上如果你思考,这个列表一会儿的话,你会问我可以用?
If you have any questions, anything that's not clear, if you agree or disagree with something, email me or email your TF and we'll always respond.
如果你有任何问题或不明白的地方,如果你同意或反对什么观点,请给我或助教写邮件,我们一定会回复的。
same point It says, if you give me two of these data objects, I'm going to call them p 1 and p 2.
的代码,What,does,it,say,to,do?,你可以看看它,它是用来做什么的呢?,它的意思是,如果你给我两个。
So I just have to see, oh, here's a D, let me keep looking, D here's an A, keep looking here's a V, here's an I, here's a D and yet, and this is one tidbit we introduced a week or so ago, how do I now know if I'm just given the address of the start of the string where the end is?
我只需要看到,哦,这里是一个D,让我接着往下看,这里是A,接着这是V,这是I,这是,然而,这是我们一周以前介绍的花絮,如果你给我一个字符串开始的地址,我怎么知道它什么时候结束?
OK, you've actually seen exceptions a lot, you just didn't know that's what they were, because exceptions show up everywhere in Python. Let me give you a couple of examples.
好的,你们实际以及看过很多异常了,你就是不知道这些是什么,因为异常在Python中随处可见,我给你举些例子。
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