| 摘要 |
<P>PROBLEM TO BE SOLVED: To enable a user to effectively memorize specific portions in a text. <P>SOLUTION: On a display surface (a display sheet 11, a display screen 53), a plurality of same texts A' are displayed with gaps in a horizontal direction. The horizontal gap of specific portions (bold face portions) is different from the horizontal gap of the other portions (fine type portions) in the plurality of same texts A' displayed adjacent to each other, so that the specific portions are displayed stereoscopically as if they are shifted relative to the other portions in the depth direction when the display surface is viewed by a parallel method or a cross method. <P>COPYRIGHT: (C)2009,JPO&INPIT |
