All right, so I'm burning some energy, I'm burning some fuel to do this somehow, to get that work to happen.
而这个路径需要先加热再冷却,这样,我需要能量来源,比如燃料,来完成做功。
Let's pretend that at work, your boss gives you too much work and not enough time to finish it.
假设你上班的时候,老板给了你太多的工作,你没有足够的时间来完成它。
You need to be able to integrate that information into a response, and that happens through these biochemical reactions.
体内的细胞要整合信息并作出反应,这个过程就通过这些生化反应来完成
To use an ancient expression from the 1970's, which only John and I will appreciate, it's really hard to grok what that code is doing, to understand what it's trying to make happen.
我和约翰都会同意,70年代的一句话来概括,那就是很难理解编码的内容,以及它想要完成的工作。
And we won't wait here one hundred seconds for it to finish, but we're using the loop, we're updating a variable, and we're formatting it in a nice way.
我们将不会再这里等待100秒来等它完成,但是我们使用循环,我们更新一个变量,我们把它排成一个漂亮的格式。
All right. So let's do an in-class problem, and this will be done with zinc.
好的,让我们做一个课堂上的问题,这个问题需要用锌来完成。
It's biological engines, right. Things that either produce or consume biological fuel to do different sorts of processes. Also, of course of key importance to understand what the, in that case, biological thermodynamics are.
但不只是我们制造的引擎,生物引擎也是如此,它们产生或消费生物燃料,来完成不同的过程,当然,这也是理解生物热力学的关键所在。
It didn't-- if you needed more time to get some business done you'd have to borrow, but you'd only have to pay 1% a year.
如果你需要更多时间来完成业务,你需要借款,而只需付1%的年利息
Maybe you should complete the force acting on this one.
也许该由你们来完成它的受力分析
So that's the last music of Wolfgang Amadeus Mozart and his pupil, Suessmayr, and--not to leave you in a somber mood-- let's listen to Louis Armstrong as we go out. Okay?
那么,这就是莫札特和他的学生,苏斯迈尔一起完成的他最后的音乐,好了,别沉浸于忧郁的心情里,让我们聆听下路易斯·阿姆斯特朗的音乐,来领着我们下课吧,好吗
and what steps they need to take in order to graduate high school,
以及他们下一步要做什么来完成高中毕业,
Nevertheless, to secure the distinction in actual practice, to say, "Okay. This is the meaning and now this is how I'm going to make it significant" -well, it seems unlikely indeed that this is something anyone could ever accomplish.
然而,若在实际操作中,你试着去体现这个区别,你会说,好的,这是意思,现在我来将它变成意义“,可是,实际上似乎谁都,无法完成这个任务。
If you see it as something that you have to finish,
如果要当作必须完成的事情来看待,
I think a good WHCF uses that influence not to promote his own agenda rather to fufill the president's agenda.
但我想一个好的办公室主任,不是用影响力来推动自己的日程,而是完成总统的日程。
- So what are these truths? We'll begin to answer this question--begin to answer this question, you'll spend the rest of your life finishing the process of answering this question. But we'll begin by identifying some, by no means all, of the major themes of Genesis 12 through 50.
那么这些真实是什么?我们将开始回答这个问题,开始回答这个问题,你们将用余生的时间来完成,这个问题的解答过程,但我们将开始辨明一部分的,不可能是全部的,《创世纪》十二至五十章的主要主题。
some chemistry class will show up in here, and someone will wonder what that is, and Barth will have done his work, or we will have done Barth's work for him. Now, let me ask you another question. Who is the narrator of "Night-Sea Journey"?
这里将会上化学课,有人会想,这到底是什么,巴斯将完成他的工作,或是我们将为他完成工作,现在,我来问你们第二个问题,《夜航》的叙述者是谁?
but that one assignment takes 10 hours to complete.
但这个作业要花十个小时来完成。
it's better for me when I'm working by myself.
那我最好是一个人来完成。
So even within this framework of, given a description of a computation as a set of steps, in the idea that I could build a circuit to do it, let me suggest for you what would be a wonderful circuit to build.
所以即使需要在将计算描述,当成一系列步骤中的一步,这个框架之内,我也完全可以建立一个线路,来完成那个想法,让我为你们假设能建造起,一个多么棒的线路吧。
And this is exactly the kind of project that everyone in this room 11 weeks hence could absolutely tackle as a final project.
这正是在座的每一位同学,在第十一周的时候,就完全可以作为期末考试来完成的项目。
So it turns out that he could have picked anything to explain this, and hopefully done out the calculation, and we'll do this ourselves.
结果是他可能用任何事情,来解释这个说法,有希望完成这个计算,而且我们将自己做这件事。
OK, so now we're going to do the same kind of experiment, but irreversibly. An irreversible adiabatic.
现在来在,不可逆的条件下,完成相同的实验。
I'm going to print here the list if we go into it, and print of the when we're done and then just return that.
注意接下我来我要做的事,运行到这里时会打印列表,并且当处理完成后会打印返回的列表。
So I could have written right here immediately CvdT equals Cv dT, and that was the end of my derivation.
于是我在这里就可以直接写,来它等于,完成了整个推导。
hey'd rather single step it through using Idol or something, than just read it and try and figure things out. The most important thing to remember when you're doing all of this is to be systematic.
比起阅读代码发现错误来他们,宁愿用内置的操作层,或者其他工具一步完成,你要记住的最重要的事情,就是要系统化的去做调试。
Actually, his death came rather suddenly and he was working on a requiem that someone had commissioned from him under rather mysterious circumstances and he began to think of it as his own requiem, and indeed, he didn't actually finish it.
其实,他的死来的比较突然,那时他正在谱写,由一个神秘人物委托的《安魂曲》,而且他开始把它当成了自己的安魂曲,而事实是,他其实并没有完成这部作品
It does that through a process of DNA synthesis.
这个过程是通过DNA合成来完成的
Good question, so there is this little reading head kind of like in an old phonograph player that does move back and forth and in and out depending on the implementation.
好问题,这就像,老留声机里的小读头,它通过来回移动,来完成不同的操作。
Seven comparisons, right?
是我花了多少次操作来完成这件事?
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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