| 摘要 |
In accordance with one or more aspects, different pages of a digital book are displayed in each of two display areas of a device using a book display model. In response to a request to semantically zoom out, the digital book is displayed in a broader context, the broader context using a context display model rather than the book display model. In response to additional requests to semantically zoom out, the digital book is displayed in increasingly broader contexts. Additionally, in response to requests to semantically zoom in, the digital book is displayed in increasingly narrower contexts until the digital book is displayed in the book display model rather than the context display model.
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