文学 图文电视 释 Teletext TV 图文电视 将简单图形和文字按一定规则编码后，插入模拟电视信号的“场消隐”期间，在不影响电视节目正常播出、传输和接收的前提下，为用户提供额外的信息服的多工传送的电视广播技术。又称电视文字广播。
计算机应用 多媒体 释文 teletext television, teletext TV 图文电视
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