In videotex, a display mode during which certain characters are displayed as spaces until the viewer chooses to reveal them. This facility can be used in games, quizzes, etc.
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- 信息传视技术中的一种显示模式。在此模式下某些字符显示为空格,直到用户选择要显露它们时为止。这种功能可以用于游戏或猜谜等方面。