2013年的一项关于大学生的研究发现，有80%的学生在课上使用手机或笔记本电脑，在一堂平常的课上，平均每个学生查看数码设备的次数高达11次。
One 2013 study of college students found that 80% of students use their phones or laptops during class, with the average student checking their digital device 11 times in a typical class.
如果你有大量的信息，你也许需要增加你一天中查看的次数。
If you are a heavy user, you may need to have more check-ins throughout the day.
通过图3所示的视图，可以逐个查看复杂度和引用次数。
The view shown in Figure 3 allows you to see the complexity and number of references side by side.
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