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图文电视(TELETEXT)是一个利用现有的电视广播网进行单向数据传送的系统。在正常电视节目播出的同时,传送商品广告、股票、购物等信息。
Teletext (TELETEXT) is a system that uses the existing television network for one-way data transfer. In the normal television program broadcast at the same time, sending goods advertising, stocks, shopping and other information.