In computer graphics and videotex, a display mode in which the characters are blanked out at regular intervals under the control of a timing device in the receiver. In videotex it is used to highlight a part of the page.

• 计算机制图技术和可视图文技术中的一种显示方式，在此方式中，在接收机的定时装置控制下，字符以有规律的间隔消失。在可视图文技术中，用来重点突出一页的某一部分。