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So we left off last time with looking at a bit of coding and teasing you with the upcoming problem set.
我们上次讲到了查看一些代码,并且给你们带来这下面的习题。
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And this one will be particularly germane to a portion of Problem Set 1, at least in Problem Set 1.
这个程序跟习题集1中的,一部分比较相似，至少在习题1中。
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You know, we've done a bunch of thermochemistry, and we've kind of seen that the energy of mixing, your energetics don't change too much as a function of temperature.
我们做过很多的化学热力学习题，某种程度上我们发现混合的能量，并不随着能量,发生大的改变。
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The in class mid-terms--the grades will be roughly 10% problem sets, 20% first mid-term, 30% second mid-term, 40% final.
期中那次是随堂考,在最后成绩中,习题成绩占10%,第一次期中占20%,第二次期中占30%,期末考试占40%
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So, it looks like this is good, because we'll have some separation in terms of not everyone's going to get 100% in terms of recitations here, which is what we're going for.
这看起来挺好的，因为我们总会有些分别,不是每个人都能百分之百做对所有习题%,而让每个人都能做对正是我们所追求的。
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Anybody, again this is a 115 kind of exercise, we're going to be moving lines around.
谁知道,这是经济学115的习题,我们要移动这些值线
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RAM is this memory recall or, as you'll soon find in problems Set One, that's used for ephemeral purposes.
内存是随机存储器，你们将,在习题集1中发现，它们用来短暂存储的目的。
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To attend these lectures in sections-- more on that in a moment; to submit 9 problem sets, take two quizzes and ultimately design a final project.
每节课都要来参加-,这个一会儿再解释，做完九套习题，参加两次测验，最后设计好期末的大作业。
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But remember that you do have recitation on Tuesday, so that could be very helpful with the problem-set, so be sure to go to recitation on Tuesday, and have a great long weekend.
记住，周二有习题课，这对做课后题很有帮助，所以周二一定要来上习题课，周末愉快！
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So realize if it doesn't quite sink in today, not a problems in terms of these low level details.
如果你们没有完全吸收我今天讲的内容，没关系,这些小细节都会在习题集中找得到。
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Now just to get used to the conventions, 0 because this is the program you'll use not for problems at 0 but for 1 to start writing programs, notice at the top in this window just reminds you what you're working on.
我们要入乡随俗，习惯这样的界面，因为这是你们将要用到的程序，不是为习题集0，而是0,而是为习题集1开始写程序的,注意窗口顶部，这是用来提醒你，你工作在何种环境。
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All right, so OK, it looks like we have a very mixed response in terms of the answer to the clicker question today.
好的，看来今天课堂,习题的答案比较多样。
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And that's what these will be for on a weekly basis for each of the remaining problem sets.
这就是为那些每周剩余的习题集,而打好基础的。
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So, don't forget to study this weekend and get those extra practice problems from the course website.
那么，这周末不要忘了复习,那些额外的习题可以在课程的网站上找到。
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What I though I'd do is just tease you with some visuals if you haven't gotten to the point of playing with the staff solution so the themes of problem set 3 are two-fold.
如果你们还没达到使用解决方案的程度,那现在我能做的就是用一些图形为你们梳理一下,习题集3的主题,是两方面的。
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If I want to move into a directory and you'll see-- all of these will be walked through in the first problem set.
如果进入一个目录，你们会发现-,所有步骤都在,第一个习题集中提到过。
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And so what you'll be pointed 0 to in Problem Sets One PDF is something we call the CS50 Style Guide.
所以你们将会被指出,在习题集1中，PDF是我们CS50课堂0,编码风格指南。
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You have to pass it as input to another function, as you'll see as possible in problem's Set One specification, but it's ultimately up to you.
你需要把它传给另一个函数当入参，就像你们将,在习题集1中可能看到的，但它最终取决于你。
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And we'll see innumerable error messages today and onward as with you working at home ends on the problem sets 'cause this is the way you learn.
我们将会看到数不清的错误信息,当你在家里做习题集的时候,这也是学习的一种方式。
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So we've tagged each of your numbers to your actual recitation, so we can see today which recitation actually is going to be doing the best in terms of clicker questions, who's going to get the most correct today.
我们已经将你们的学号,与你们参加的习题讨论小组关联起来了，这样通过回答选择题,我们就可以来比一比，哪个小组答对的人最多。
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And for Problem Set One, we'll defer to some online documentation for the specifics.
对应习题集，我们将尊重一些网上的文档中的细节。
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So hopefully, approach if you haven't already, 0 problem set zero with that mindset.
我希望，如果你们还没带着这种心态，着手处理习题集。
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And you'll do exactly that with some handholding in Problem Sets One.
你们将正确地那样去做，采用,习题集1中的方法。
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So problem set 3 has a little taste of precisely that approach.
可见，习题集3中有点,这样的意味。
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The six problem sets are due generally on Mondays and we'll go over the problem sets in the teaching sections, several days after you turn them in.
这六道习题通常应该在周一前完成,你们交上来之后,我们将在我的课上,讨论这几道习题
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They will be Wednesday, Thursday, and Friday and we have six problem sets.
讨论课定于周三,周四,和周五,我们将布置六道习题
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So today is about writing some programs and empowering you to write your own starting this coming week when Pset One goes out via the website tonight by 7:00 p.m.
今天我们将要写一些程序，并且让你们,在接下来的一周写你们自己的程序，今天晚上七点,习题集1会发布在网站上。
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I want to mention that 5 you're going to get problem-set five is posted today, and I'll write which ones you can already do so far, because you don't have class on Monday.
我要指出的是,今天会贴出来习题集，我会给出你们现在可以做的题目，因为周一没有课。
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But, of course, what you saw in recitation, and hopefully, what you can now think very quickly by looking at this, is that this is not the only configuration of pi bonds that we could have in benzene.
当然，你们在习题课看到过，你们通过看这个可以很快的想到，这不是苯环里,唯一的π键构型。
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This should all sound incredibly familiar, like I'm just repeating myself in terms of photoelectric effect, because essentially that's what I'm doing, and that's one reason we spent so much time and did so many problem-set problems on the photoelectric effect.
这应该听起来极其熟悉，就像我在重复自己在讲光电效应时所说的话，因为基本上我正是在这样做，这也是我们在光电效应这个问题上,花这么多时间,做这么多习题的原因之一。
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