DVB is the digital HDTV standard that developed by more than 170 organizations in Europe. It mainly comprises satellite (DVB-S), terrestrial (DVB-T) and cable (DVB-C) digital television systems.
数字视频广播(DVB)是欧洲170多个组织共同开发出的数字高清晰度电视标准,它主要由卫星广播(DVB - S)、地面广播(DVB - T)和有线电视(DVB - C)三部分组成。
From c. 1900, electric discharge lamps were in use in Europe and the U. S.
约从1900年以来,欧洲和美国都在使用着实用的放电灯。 收藏。
From c. 1900, electric discharge lamps were in use in Europe and the U. S.
约从1900年以来,欧洲和美国都在使用着实用的放电灯。 收藏。
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