In this case, this is one of the articles, in fact this was today's reading, I got here a little early so it was this particular article was assigned for today and-- but what shows up when you click on the initial tab is just the abstract of the article not the whole article itself.

例如这是其中一篇,实际上这是今天的资料,我今天到的比较早,所以把它放了上去,这是今天布置的文章,但当你们点击初始的按键时,只能看到文章的摘要而不是全文

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

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。

哈佛公开课 - 计算机科学课程节选