| 释义 |
〔teletext〕An electronic communications system in which printed information is broadcast by television signal to sets equipped with decoders.电视文字广播：一种电子通讯系统，打印的消息通过电视信号播送到配有译码器的接收机上〔decoder〕A device that decodes a scrambled electronic signal to make it interpretable.译码器：解除改变过频率的电子讯号，使其变得可解释的仪器 |