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So this is to say, for those of you who are joining us today for the first time, that's totally fine.
也就是说，对于你们中第一次加入我们的同学而言,是相当不错的。
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How did we meet? We met at a bar.
怎么认识的？我们第一次见面是在一家酒吧里。
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We're treated to the Lady's singular investment in the integrity of her body in her first speech.
我们来讨论下小姐第一次演讲中,她对恪守贞操的巨大投入。
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For Wednesday--This is my--our first Yeats lecture.
星期三是我们第一次关于叶芝的课程。
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is going to be just the opposite of 2px So if you said 2 p x the first time, 2py say 2 p y this time.
就和，我们开始说的那个,如果你第一次说，现在就是。
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All the supreme court justices would share our social values. And most importantly, our programs would work the first time we typed them. By now you may have noticed that we do not live in an ideal world.
符合我们的社会价值观,但是最重要的是，我们写好的程序，第一次就能顺利运行,如今你可能已经注意到了,我们生活的并不是一个理想的世界。
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For the first time"--this was, of course, the French aristocrat de Tocqueville "For the first time we have had the chance to examine the effect that slavery produces on a society.
第一次",这位托克维尔即是,法国的那位贵族德·托克维尔,"第一次我们有机会仔细观察,奴隶制对一个社会造成的影响
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So all of these assumptions are the same assumptions we studied two weeks ago, or two and a half weeks ago, and which you actually studied in your first homework assignment.
所有的这些假设都与,我们两周或两周半前学过的假设一样,也与第一次家庭作业中的假设一样
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Our first review section will be in the week of January--with your teaching fellows-- will be in the week of January twenty-eighth and we're going to have to ask you to sign up with one of the teaching fellows.
我们的第一次复习课,将在一月。。。和助教一起-,将在1月28日所在的那周,我们会叫你们，选择和一个助教合作。
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And this person looked at me and said, "Well the maid was from Dijon." And another time, somebody's French was very good and I said, "Why is your French so good?"
然后这哥们看着我说,"我们家保姆是第戎的",还有一次,也有个人法语特好我就问,你法语怎么这么好
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And what we find, the first example of a Bronze Age-- and I use the word civilization now for the first time, because before the Bronze Age-- there is nothing that we would define as civilization.
我们发现的第一个文明出现在青铜时代,也是我第一次用文明这个词,因为在青铜时代之前,没有任何东西能称之为文明
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Let me disclaim, too, we're by no means perfect so the Harvard courses APP that a lot of you used on the web to shop for courses, we recently sent out a form to get feedback from everyone because we don't doubt that it was imperfect the first time around, but we're going to iterate and make amends with that.
我不是说，我不是说要完美,你们大部分使用哈佛大学课程APP来在网上选课,我们最近给你们发了一个表单，从你们那里,得到反馈，因为我不怀疑,第一次时它是有瑕疵的,但是我们将反复地道歉。
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And actually before we start into today's topics, I want to remind everyone and hopefully you all do remember that our first exam is coming up and it's coming up in exactly a week, so it'll be a week from today, next Wednesday.
实际上在这之前，我还要提醒大家一下,希望大家都记得,我们的第一次考试就要到了,就在下周，距离今天正好一周，下周三。
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All right, so where we left off with the photoelectric effect was when we first introduced the effect, we were talking about it in terms of frequencies.
好，我们刚才停止光电效应这个话题,是当我们第一次用频率，来讨论这个效应的时候。
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Let's move on to the last topic in terms of this first exam, which is thinking about the idea of isoelectronic atoms, or isoelectronic ions. And isoelectronic is very straightforward, it just means having the same electron configuration.
下面我们继续讲第一次考试的最后一个主题，也就是等电子原子，或等电子离子的概念，“等电子的“是非常直接的表达，它的意思就是具有相同电子排布的。
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So that's going to be the end of the exam 1 material, and then we'll move on to exam 2 material, which is kind of exciting, because we've been talking about just individual atoms and ions up to this point, and now we can talk about molecules, so we're going to start talking about bonding.
到此为止就是第一次考试的内容，接下来我们会开始讲第二次考试的内容，这些内容令人有点兴奋，因为我们一直都只是在讨论单个的原子,和离子到目前为止，而现在我们可以讨论分子了，要开始讨论成键的问题了。
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It turns out that we are far from the first people, although it felt exciting, we did not discover this for the first time here today. In fact, J.J. Balmer, JJ Balmer who was a school teacher in the 1800s, was the first to describe these lines that could be seen from hydrogen.
实际上，它第一次被发现已经是在很早之前了，虽然我们觉得很激动，但我们,并不是第一次发现这个的，事实上，一个19世纪的老师,是第一个在氢原子中发现这些谱线的人。
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All right, so we can go to today's notes, and in terms of the notes, what we're going to start with is finishing material that's going to be relevant for exam 1, and I told you on Wednesday that actually I'd give you some information today in terms of what you need to do to prepare for exam 1.
好，下面我们进入今天的讲义内容，而依照讲义，我们今天首先,要把第一次考试要求的最后一部分内容讲完，而且我周三曾经告诉过大家,我会在今天把一些信息告诉大家,是关于如何准备第一次考试的。
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When we first introduced the Schrodinger equation, what I told you was think of psi as being some representation of what an electron is.
当我们第一次介绍，薛定谔方程的时候，我说你们，可以,把psi看做是，电子位置的代表。
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And as a reminder, hopefully I don't need to remind any of you, but exam 1 is on Wednesday, so rather than our clicker question being on something from last class, which is exam 2 material, let's just make sure everyone remembers some small topic from exam 1 material, which is the idea of angular nodes.
而作为一个提醒--我希望大家都不需要提醒，但是这周三就要进行第一次考试了，因此我们的这个选择题,不是关于上节课内容的，那是第二次考试的内容，这里只是想确认大家都记得,第一次考试所要求的一些小问题，也就是关于角向节点的概念。
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