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So now let's go around the cycle and just compare notes on what happens to the thermodynamic quantities as we do that.
现在让我们推导一下这个循环,比较一下这个过程中,热力学性质的变化。
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- And now temperature in Fahrenheit -- 212 all right, let's go ahead and pick an easy one like 212, Enter, and indeed equals 100 in Celsius.
现在输入华氏温度-,好的，让我们选一个简单的，像，回车，确实等于100摄氏度。
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And the last piece I want you to see here, and then I'll let you go is, notice now how that encapsulation, that binding things together has really helped me.
我想要的那么干净，最后一点要给大家讲的是，也就是下课前讲的一点，就是请注意这里是怎么封装的,也就是把东西绑定在一起。
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He said, first, let it go a little distance, take the distance over time, that gives you the velocity now.
他说,首先,让它运动一小段距离,距离除以时间,你就能得到现在的速度
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So, let's go ahead and draw our Lewis structure based on the rest of the rules now that we have a skeleton.
那么，让我们继续画我们的路易斯结构,看看在得到骨架之后还有哪些规则。
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And, now let's go back to, whoops, I'm running out of space.
再看回来，很高兴啊。
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Now, let's go back to a theory which has at least got the virtue of being very old, although hardly anybody believes it anymore.
现在,让我们再回去看一个理论,它的优势在于非常古老,虽然已经没人再相信它
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Now because it is so important to understand how the neurons present the information, ? let me go into a bit more detail. Ok?
既然要理解,神经元传递信息是如此重要，我来更加详细地解释一下，好吧？
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Sixteenth because we've got four impulses for each beat. Let's go on to the next here now a couple of questions we could ask.
十六分音符,因为每拍有四个冲动点,我们继续,还可以问几个问题
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It runs about six minutes, so I'm going to let that go now.
这个大约要发放6分钟，现在开始放。
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So now, instead of having p external p2 equals to p2 here, I put p1 and I let this whole thing go reversibly.
也就是说,现在开始的外界压强不是，而是p1，整个过程都是可逆的。
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We'll talk more about promoters as they go on, for now let's just assume that we have a promoter that works in this particular cell.
我们以后还会谈到更多有关启动子的知识,而现在就假设这个,特定的宿主细胞里有个启动子
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Let's make the red light the symbol of 'go.'" And now with the ecological movement it would be very difficult to make the green light the symbol of "stop," and in any case all sorts of complications would arise. Right?
我们来假设，红灯的意思是出发“,那么难道,绿灯的意思是停止吗？,这样会引起各种不必要的麻烦？
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But before telling you about this let me sort of Go through some of the hypothesis that we have and That we are now testing about why the subject is Difficult and why these materials assembled what We have assembled them might be useful.
但是谈那之前我要说说,我们之前的一些假设,我们现在正在测试为什么这个学科很难,以及为什么我们整合这些资料是有用的,我们认为把它们整合起来或许有用。
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.. Let me come back now-- I want to go through these three themes.
现在我接着讲-,我要讲讲这三个主题。
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But let's go back now to the arguments about redistribution.
不过，我们回头来看看关于再分配的争论。
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Okay now, so why... Let's go back again.
好吧,那我再来问一下
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Let's now go back and instantiate these ideas for the knapsack problem we looked at last time In particular, for the 0-1 knapsack problem.
让我们回来用具体例子,来说明我们上次看过的背包问题,特别是对0-1背包问题来说。
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Now let's go inside the atom to try to understand what is going on.
现在让我们进人原子的部分，试着,理解那是怎么回事。
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OK, now, let's go back to where I was.
刚才讲的地方。
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Bye. Let's go. Let's get it started right now.
那就再见，我们现在就开始吧。
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Argv2 Let me go ahead and now run Arg V2 with nothing.
我们现在继续运行。
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So now let me actually reverse this and go back to the beginning.
所以现在让我们真正倒退,返回到开头。
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So now let's go ahead and fill in our molecular orbitals.
让我们继续填充分子轨道。
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Let's go on now to talk about instruments and how instruments produce sound.
接下来我们聊聊乐器,乐器是怎样发声的
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Now, I tie this one kilogram mass to it and let it go.
现在,我把这个 1 千克重的物体系上,并松开手
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Now, let's go over to the other side.
现在我们来看另一半。
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Now let's go on here to listen to some music of Rossini-- composer Gioachino Rossini-- coming after Mozart, and he likes chord progressions too, so we're going to listen to a passage of Rossini and see what he does by way of his chord selection.
我们继续，在莫扎特之后我们要听的音乐来自罗西尼-,作曲家焦阿基诺，罗西尼，他也很喜欢用和弦进行，我们来听一下罗西尼的片段，看看他是怎样选择和弦的。
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Let me go ahead and run this now.
运行看一下。
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Let's go on to the finale now, and as we listen to the finale let's think about what we heard at the very beginning and talked about last time, about the mood that the beginning of the Fifth Symphony created for it.
现在要接近终曲了,当我们听最后乐章时,让我们想想在乐曲开头听到了什么,还有上次我们谈到的内容,关于第五交响曲开头的感情基调
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