digital terrestrial television transmission system 数字电视地面传输系统
digital television terrestrial transmission system 数字电视地面广播传输系统
At present our country has cable digital TV, digital terrestrial television and IPTV three digital transmission program.
目前我国已有有线数字电视、地面数字电视和IPTV三种数字节目传输方式。
Terrestrial digital TV broadcasting is the most widely and most complex digital television transmission.
地面数字电视广播是应用最广也是最复杂的数字电视节目传输方式。
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