今天是离上海世博会开幕倒数的100天。

Today marks the 100 day countdown to the opening of the World Expo in Shanghai.

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排名倒数的是有氧运动和高尔夫，评选比例分别为9%和13%。

Bottom of their list came aerobics and golf, with just 9% and 13% of the vote respectively.

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下面是简单说明的multiplot，它绘制正弦、余弦及其各自倒数的曲线图。

Here is a simple annotated multiplot that plots the sine, cosine, and their respective reciprocals.

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He came up with the relationship that nu bar, which is called wave number --He found the reciprocal.

他也提出了它们与波数的关系，波数是波长的倒数。

麻省理工公开课 - 固态化学导论课程节选

And if you go back to here and click on Archive Notes, it is the fourth button down that will take you to something that looks like this.

如果你们回到这来，点击存档笔记，是倒数第四个,你们会看到像这样的情况。

麻省理工公开课 - 固态化学导论课程节选

OK. The next largest element has to end up in the second last spot. Et cetera. All right, so it's called bubble sort because it does this bubbling up until it gets there.

好的，下一个最大元素又,能跑到倒数第二的位置，等等如此，好的，这称为冒泡排序,因为这个泡泡一直冒到他自己的位置。

麻省理工公开课 - 计算机科学及编程导论课程节选