不用按时间先后读邮件，而要按主题或寄件人分类阅读。

Instead of reading your emails by date, sort them either by subject or by sender.

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它是从例如评估贷款申请的信用风险，阅读手写的邮政编码来分类邮件等开始的。

It started with things like assessing credit risk from loan applications, sorting the mail by reading handwritten zip codes.

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作为一个例子，阅读清单10看看如何在RDF XML模式中使用DC分类系统描述RDF实体的内容，比如网站。

To see an example of this, look at how the DC classification system is used within the RDF XML schema to describe the content of an RDF entity, such as a Web site (see Listing 10).

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And so, for today, for example, it says Classification Schemes, Mendeleev, Atomic Structure, A Readings Chapter 1, Chapter 2, Appendix A.

今天，举个例子，讲的是分类法，门捷列夫，原子结构，阅读第1，第2章，和附录。

麻省理工公开课 - 固态化学导论课程节选