使用这些数据集，我们可以得到工作项目和它们的结构。

Using these data sets, we can get the work items and their structures.

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天文学家每年可能只花一周左右的时间用望远镜进行观察，其余时间用来测量或分析大型项目或调查中获得的数据。

An astronomer might spend only a week or so each year observing at the telescope and the rest of the time measuring or analyzing the data acquired from large projects or surveys.

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如果我们根据项目对这些用户进行分类，那么从一个个项目的观点来看，缺陷数据库看起来对每个用户和每个项目都是唯一的。

If we classify these users by project, then, from a project-by-project point of view, the defect database appears to be unique for each user and each project.

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At the end of the day this is all about equipping you with skills and knowledge and understanding with which to take a problem, take a large data set maybe and actually produce something useful-- produce a project that is of interest to you.

下午放学后,就用学到的技能，知识和理解力来,解决问题，或者处理超大数据集,或制造一些有用的东西-,例如发起一个你们感兴趣的项目。

哈佛公开课 - 计算机科学课程节选