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Another thing to point out in these two graphs is that we do have nodes, and we figured out last time, we calculated how many nodes we should have in a 2 s orbital.
另外这两张图上要指出的是,我们可以看到节点，上次我们知道，我们算了２ｓ轨道有多少个节点。
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This young lady I worked graduated from high school with a 2.5 and she got into college.
向我咨询的小女生以2.5的平均分从高中毕业，并且顺利进入了大学。
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Take your time. So, let's actually now take a 2-minute break, we're gonna change tapes and we'll come back and we'll actually write programs with a real computer and some real animated characters.
不急，现在休息2分钟，我们要换个录像带，一会再上课,等会开始写程序,构建一些动画人物。
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And you should know that a 2 s is larger than that, and a 3 s is even larger, and of course, hopefully as we go to 4 and 5, you would be able to guess that those are going to get even larger.
你们要知道２ｓ比这更大一点，３ｓ就更大，当然对于４和５,你们可以猜到,它们就会更大一些。
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Just as a 2-list, or a list of 2 elements.
来表示它们，就想一个二元数组。
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Their GPA, or their grade point average was less than a 2.0.
他们的成绩平均绩点，或者平均分不到2.0。
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And so, for today, for example, it says Classification Schemes, Mendeleev, Atomic Structure, A Readings Chapter 1, Chapter 2, Appendix A.
今天，举个例子，讲的是分类法，门捷列夫，原子结构，阅读第1，第2章，和附录。
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Path number 2 on my diagram it's a reversible, this path number 2, it's a reversible constant pressure path.
路径，首先是一个，等压过程。
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I'm going to get all the people at position 1 and half the people at position 2 for a total of 15.
我会获得所有立场1的选票,和立场2一半的选票,就是15%
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looks like they'll go from 3 to 2 and a half ? when's the next Fed meeting?
看上去他们会在下一次会议上,下一次美联储会议什么时候开？
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One of the interesting properties of cells that are in exponential growth is that the time to increase the cell number by a factor of 2 is always the same.
细胞有一个有趣的性质,那就是在指数增长阶段,细胞增长的速度,永远是以二为底数来增长的
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Sometimes there are completely new emphases and the story can come out to be a very, very different story. 1 and 2 Chronicles are a retelling and a reworking of much of the material from Genesis through 2 Kings, and it cleans up a lot of the embarrassing moments.
复述的故事会有全新的侧重点，可能和原来的故事之间,存在很大的差别，《历代志》上下就是,对从《创世记》到两部《列王纪》中大量材料的复述和,再加工，它清除了很多令人窘迫的故事。
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If your plan is to accelerate a 3 kg mass with an acceleration of 2 meters per second, you better have a rope that can furnish that force and it can take the tension of 6 Newtons.
如果你想用 2 米每秒平方的加速度,去拉一个 3 千克的物体,那么你就需要一根能提供拉力的绳子,并且它能够承受 6 牛的张力
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And it turns out that for a 2 s orbital, that's equal to 6 times a nought.
对于２ｓ轨道，它等于６倍的ａ０
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And for a 2 s orbital, you get a graph that's going to look something like this.
对于２ｓ轨道，你们可以得到一个大致是这样的图。
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We talked about the wave function for a 2 s orbital, and also for a 3 s orbital.
我们讲过２ｓ轨道的波函数，也讲过３ｓ轨道。
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