| 摘要 |
Described herein is a user interface with a scroll line, comprising a plurality of segments. Each segment points to a unique part in a document identified by a unique identifier. The scroll line underlines the unique identifier of a current part being displayed in a viewable area. A scroll element is provided on the scroll line operable to navigate between parts of the document by moving it across the segments. Each position of the scroll element on the scroll line selects exactly one segment. The scroll element is positioned at a segment on the scroll line pointing to the current part. Selecting and dragging an image of the scroll line away from a current position of the scroll line changes the information being displayed about the scroll line based on the distance between the current position of the image scroll line and an initial position of the scroll line.
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