| 摘要 |
A display device allows a user to move displayed pages as the user actually reads a paper book. The display device includes an n-page forwarder for moving a displayed page forward by n pages (n is an arbitrary integer equal to or larger than 3), a one-page forwarder for moving a displayed page forward by one page, and a page backwarder for moving a displayed page backward either by (n/2) pages if "n" is an even number, or by {(n-1)/2} pages if "n" is an odd number.
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