| 摘要 |
An electronic book display device capable of attaching the mark to the optional element by just conducting the simple operation like actual books. Since the display control means 28 is provided for determining the type of mark to emphasize the specifying element according to the position specified in the region on which the specified element is displayed and for attaching the determined mark to the specified element, the user can determine the type of mark easily just by specifying the desired position in the region on which the specified element is displayed. And thus, the user can attach the mark to the optional element just by conducting the simple operation like actual books.
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