给合适的计算机一个庞大的人脸数据库，它就可以以惊人的速度和精度处理看到的东西，然后按照指示识别人脸。

Give the right computer a massive database of faces, and it can process what it sees—then recognize a face it's told to find—with remarkable speed and precision.

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但是庞大数据还会产生远比这更为严重的后果。

But big data can have far more serious consequences than that.

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XML数据通常被深度嵌套并且可以非常庞大。

XML data is often heavily nested and can be rather large.

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We have 90 extension school students who are taking the course via distance education, so we have a huge group that will be joining us at the 2010 CS50 fair and the those photos you saw a moment ago depicted 2009's.

这里有90个来自哈佛开放学院的学生,他们正在通过远程教育来学习这门课程，所以参加2010年CS50课程的团体是很庞大的,刚才你们看到的图片显示的是,2009年的数据。

哈佛公开课 - 计算机科学课程节选