“digital video broadcast”的概念、定义、翻译、参考文献-科学参考

单词	digital video broadcast
释义	digital video broadcast Encyclopedia 理学多媒体通信标准释 digital video broadcast数字视频广播是指通过高频信号调制，将视频、音频、附加信息等数字方式进行编码，借助广播进行传播的电视传输与收看系统。
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