There are other forms too. The educational television are providing services through the public broadcasting networks and through closed-circuit transmissions within school systems.
电视还有其他节目类型。教育电视节目为公共广播网和学校闭路传输系统提供节目。
It has been applied to many fields, such as broadcasting, TV and public communication systems.
目前OFDM技术已经被广泛应用于广播式的音频、视频领域和民用通信系统。
It has been applied to many fields, such as broadcasting, TV and public communication systems.
目前OFDM技术已经被广泛应用于广播式的音频、视频领域和民用通信系统。
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