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There are two aspects of it. Thus far, the problem sets have mostly focused on function.
关于这个问题有两个方面，迄今，问题集只关注了方法。
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And that sets a bit of precedence for people working on their own.
而且，创业为那些给自己工作的人赢得了一些优先权。
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Come on, you know, representing sets of integers, this is pretty dumb. Suppose I want to have a set of characters. How could I do that?
你知道的，表示整数的集合,这好傻啊,假设我有一组字母的集合？
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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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He says, "I dispute the pretensions of any theory which sets up an imaginary standard of justice not grounded on utility."
他说，我反对任何理论,不以功利为基础，虚构公正标准“
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And this is the same periodic table that you're going to get in your exams, so it's good to practice doing your problem-sets with that periodic table so you're not relying on having the double check right there of seeing what the electron configuration is.
这也是你们考试时会用到的相同的表,这样你们就不会，所以使用周期表来做问题集,是很好的练习,这样你们就,不会依赖于再次确认,电子构型是什么了。
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0% of the class will be on problem sets, 30% of the grade; 30% on the mid-term, and 40% on the final; so 30/30/40.
课堂作业占总分数的30%,期中考试占30%,期末考试占40%,即30/30/40
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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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And yet, in many ways, this Hobbesian sovereign aims to allow for ample room for individual liberty And he even sets some limits on the legitimate use of sovereign power.
话虽如此，霍布斯眼中的君权,也还是为个人自由留下了足够的空间,他甚至对君主的合法权力,设定了一些限制。
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So when you go ahead and draw these on your problem-sets or on your exams, it's a good idea to put these dashed lines in, both for you and for people reading it to see exactly where your molecular orbitals are coming from.
所以当你在做课后题,或者考试的时候要画这些图时，最好把这些虚线放进去，既方便你自己也方便别人知道,这些分子轨道是从哪里来的。
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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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All right, the problem sets: there will be roughly ten problem sets and I'll talk about them more later on when I hand them out.
关于课堂作业,我应该会安排十次左右的课堂作业,在留作业的时候我再细说
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You can talk about working hard on your joint problem sets, but as long as you go home and you don't work hard, it doesn't help.
你大谈特谈你在多么努力地做家庭作业,但是回家后如果你依旧偷懒,这还是无济于事
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scratch Scratch is a program that you can download for free cs50 net and you will see in problem set 0 0 which will be posted on CS50.nettonight under problem sets in both standard and hacker editions, can you do the--can you--it will walk you through the process of getting this software.
你可以免费下载,今天晚上我会在0,放上习套题,这个习题集有两个版本，习题集可以指导你,如何下载这个软件。
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Well, this block here on the left that I came counter counter=0 up with arbitrarily sets a variable called counter equal to 0 and then it forever says that counters value 1 and then it changes the counter by 1.
大家看一下左边的这一段代码,其中有一个随便定义的变量,它会一直显示counter的值,每显示一次，counter加。
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I spotted an error here, I could have spotted it by running it on different test sets, and using prints things, another way of doing it, but this idea of at least simulating it on simple examples lets you check a couple of important questions.
操作么？我在这里发现了一个错误,我也可以通过运行不同的测试集，或者运用print声明来发现这个错误，但是至少应该用简单的例子来手工模拟下,代码的思想可以让你,对一些很重要的问题进行检验。
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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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Those nine hours are going to be primarily working on problem sets, and all the problems sets are going to involve programming in Python, which is the language we're going to be using this term Now, one of the things you're going to see is the first problem sets are pretty easy.
这九个小时会是问题,提出的基本锻炼，所有的问题提出,都将涵盖，我们这学期,将使用的Python语言的程序,现在，你们将要看见的,第一个问题的提出非常简单。
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I don't care how you do it on exams or on problem sets, but you do need to be aware that the 3 d once filled is lower in energy than the 4 s, and the reason you need to be aware of that is if you're asked for the electron configuration now of the titanium ion.
我不关心你们在考试或者,问题集中如何做它，但是你们的确需要知道3d一旦被填充,它的能量是小于4s的，你们需要知道这个的原因,是如果你现在被要求,写出钛离子的电子构型。
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So if you go to ClassesV2 and you click on "Problem Sets," it's Problem Set
1.
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Also, on everything that was on problem-sets 1 through 3.
另外，关于第一次到第三次作业上的内容。
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Course assistants as we use the jargon are alumni of CS50 who return to the course for a couple of hours a week having taken it in prior years, to help you, the newest batch of students, one on one with office hours, with problem sets; and similarly do the CS function as they might in many courses.
课程助理用我们的行话说就是CS50校友0,他们在前几年一直都是一周回来几个小时,来帮助你们这些新生，在上机的时候以一对一的方式，帮助你们完成这些问题集,在很多其他课程中他们也是这么做的。
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