模工库主题指向生成的模式库帮助内容文件。
The pattern library topic points to the generated pattern library help content file.
演示实际是个便利的图像映射，可以单击图片上的热区，查看相关主题的帮助文件。
The illustration is actually a handy image map; you can click on hot spots in the picture to view a help file on topics of interest.
目录文件还为每个widget指定一个帮助主题。
The catalog file also specifies a help topic for each widget.
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