Electronic paper is surely in the second category.

电子纸肯定就属于第二类。

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For example, I color items in the first category red, items in the second category orange, and those in the third category yellow.

例如，我将第一个类别中的项目设置为红色，第二个类别中的项目设置为橙色，而将第三个类别的项目设置为黄色。

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Documents that belong to the second category usually are transformed using a style sheet before they are read. And documents that are prepared using the same style sheet will look alike.

属于第二类的文档通常在阅读前用样式表进行转换，并且用同一样式表准备过的文档看起来都很类似。

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Now this is a debate that fits into the same category, as far as I'm concerned, as the one between the elder and the Second Brother.

此争论与，在我看来,与《科玛斯》中兄弟俩的那场争论是同一类的。

耶鲁公开课 - 弥尔顿课程节选

We don't expect everybody to be a course six major, contrary to popular opinion, so for those are you not in that category, the second thing we want to do is we want to help students who don't plan to major in course six to feel justifiably confident in their ability to write and read small pieces of code.

和大众意见正相反，我们不希望所有人都变成course，six的主修学生，所以对于那些不在第一梯队里的人来说，我们想做的第二件事情就是,希望帮助还不想,主修这门课的人,都能获得在自己能力范围内,读写小编码的自信。

麻省理工公开课 - 计算机科学及编程导论课程节选

Industries that fall into the second category operate according to a very different model.

FORBES: Two Industry Models In China

The second category is the greenfield start-up companies that need back office operations set up from scratch.

FORBES: Who is The Entrepreneur: Jen Gabler (on getting organized)

In the second category, both Hewlett-Packard and Big Blue can now feel Compaq's breath on their collars.

ECONOMIST: Compaq goes after Big Blue