| 单词 | 电视信号 |
| 释义 | 〔airwave〕The medium used for the transmission of radio and television signals. Often used in the plural.波段，无线电频率：传送无线电和电视信号的媒介。常用复数〔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 |
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