...数字地面电视广播 ; 回波抵消器 ; 同频直放站 ; 可变阶数 [gap=1089]Key words digital terrestrial television broadcasting; echo cancellation; on-channel repeater; variable ..
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Digital Terrestrial Television broadcast DTTB 地面数字电视广播DTTB
digital terrestrial television multimedia broadcast 地面数字电视多媒体广播
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