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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 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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It's a problem set where we've worked pretty hard to write some problems that we think will provide you with a good learning experience.
我们为了写出这个问题集,让大家好好学习下课没少侠功夫,你们应该通过材料来学习学习它。
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At the end of the day this is all about equipping you with skills and knowledge and understanding with which to take a problem, take a large data set maybe and actually produce something useful-- produce a project that is of interest to you.
下午放学后,就用学到的技能，知识和理解力来,解决问题，或者处理超大数据集,或制造一些有用的东西-,例如发起一个你们感兴趣的项目。
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There's a very nice illustration of inhibitory problems from a "Simpsons" episode that actually sort of covers anything you might want to know about developmental differences.
这里有个非常好的关于抑制问题的例子,取自《辛普森一家》中的一集,这个例子包含了你想知道的,关于发展差异的所有问题
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Our goal is to take problems and break them down into these computational steps, these sequence of instructions that'll allow us to capture that process.
我们的目标是得到问题,然后将问题分解为这些计算步骤，这些指令集,可以让我们看到这个过程。
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So it's a short problem set, but make sure you know how to do those problems.
因此这是个小问题集,但是确保你懂怎么解决这些问题。
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Or a subset with the maximum value, there may be more than one, and you're done.
或者是有最大值的子问题集，可能不只一个子问题符合条件，然后就解决问题了。
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So I'm not suggesting that it's an optional problem set that you shouldn't do.
一个可做可不做的问题集,因为不做它你会后悔的。
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That's left out of the problem set.
要是这么做就不用问题集了。
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So to be clear, we expect most students to very comfortably pursue the standard edition of the P set, but for this particular P set, and we have about 150 or so of these out on the hallway, and we'll have them at office hours throughout the coming week--this is a little logic board ; with lots of sensors; the sound sensor, a light sensor, a little joystick and the like.
我希望我们大多数同学,研究问题集的标准版本，可编程版有个特殊的问题集，我们会在接下来的几周里，在办公时间为大家做解答,这是个小的逻辑板,上面有很多传感器;,包括声音传感器，光传感器，小操作杆等。
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Last year for the pieces that do vary year to year a bit, last year's first problem set challenged students to write their first or maybe second or third program using this environment called Scratch.
去年的教材有些地方有略微改动，去年的第一个问题集是让学生,在Scratch环境下,写下自己的第一或第二个或第三个程序。
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Because that's life in computing.
这并不像一个数学问题集。
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So with problems at zero, ; which will be posted in two forms; PDF PDF for standard and PDF for hacker on cs50.net tonight, you will have the choice of implementing pretty much any scratch projects you can think of, and which subject to very few constraints.
对于问题集，我们提供了;,标准PDF以及可编程,今晚它们都会被放在CS50，net上，你可以选择任何,你想到的项目，范围不限。
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The exception will be the next problem set, which will come out Friday.
而exception将会是我们下周五，要讲的的另外一个问题集。
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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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