对于由ZIP和PDF图标引用的文件名，我们再次使用filename属性。

For the names of the files referenced by the ZIP and PDF ICONS, we use the filename attribute again.

youdao

在该文件夹下，找到程序图标文件，其文件名类似于icon@2x.png。

Within that folder, find the png file that is the icon, named something like icon@2x.png for an iPhone 4, or Icon.png for iPhone 3GS and below.

youdao

这个图标是 Function Icon Set 里面的（文件名是 circle_blue.png ）。

The bullet points are icons from the Function Icon Set (the file name is circle_blue.png

youdao