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RAM You probably know your computer has something called RAM which is where documents and programs live just temporarily while you're running them 'cause RAM tends to be pretty fast and whereas your hard disk is where programs and files live permanently.
也许你知道电脑有一个,正在使用的程序和文件都暂时存放在那里,而且会加快电脑速度,而硬盘是程序和文件,永久存储的地方。
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Like you'll find the history right on the road side or these brothers will have documents, pictures of the history.
就好比，你可以在道路的一侧发现历史遗迹，又或者是这些兄弟们能够为你提供历史图片和文件。
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What we are seeing here is a big transition from just experiment and documentation to modern chemistry.
我们见证了一个很大的过度,从只是实验和,文件材料到现代化学。
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So, at the very top of the file I'm just copying and pasting what was essentially on the slide a moment ago.
在这个文件的顶端,我只是做了复制和传递。
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Scholars of the Albright school pointed to texts and clay tablets that were discovered in second millennium sites. So you see down on the bottom the second millennium BCE, obviously going down to 1000; first millennium: 1000 to 0.
亚布莱特学院的学者们指的是,两千多年前的遗址中发现文件和泥板文献，你们看下面,公元前第二个千年，再显然的,往下到一千年；第一个千年是公元前1000年到公元元年。
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It's the various programs you run on your computer along with the various data files that you have saved on your hard drive,and so forth.
是你自身这个电脑中运行的各种程序,硬盘存有的各种数据和文件，类似种种。
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It solves a slight bug if we don't use it at all, but more on that in the future when you talk about files and creating files.
它解决了一点缺陷，如果我不用它，但是更多的是在以后当你们讨论,文件和创建文件时。
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But the bits that actually compose those files and folders are in fact exactly where you left them.
但是组成这些文件和文件夹的字节,还在原来的地方存储着。
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This is different from the hard disk, which is where files and stuff are permanently stored.
这个和硬盘是不一样的，那是存储,文件之类的东西的。
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And as we'll see mid semester, photographs and videos and other more sophisticated file formats.
在我们学期中的时候会看到，图片和视频以及,更复杂的文件格式。
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But that's not enough because computers at the end 1 of the day only understand 0s and 1s and what you and is clearly not a collection of 0s and 1s.
但是仅仅这样是不够的，计算机,最终只会认识0和,你现在得到的，c的文件显然不是0，1的合集。
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I mean, you'll play with it in great-- with great delight this semester, you will see that backslash N is the standard in any text file for creating what we know as new line characters.
我是指，这学期，你们会很高兴-,和它打交道，同时你们也会看到,在任何文本文件里，反斜杠n已经是,换行的代名词了。
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So among your printout from Wednesday, if you have it, you have a file called math1.c. If you don't have this, the programs are short today, so it should be easy enough to follow along visually, but a PDF and the actual source code is available online for these things.
从你们周三打印出来的资料来看，如果你们手上有的话，你们会看到有个叫做的“math1，c“的文件，如果你们没有资料，那些程序还是比较短的，所以你们应该可以很轻松地,来看这些程序，但是那个PDF文件,和实际的源代码都可以到网上找到,相关的资料。
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