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中国数字电视主要由有线数字电视、地面数字电视、卫星数字电视、IPTV网络电视四类通道构成,由于国内目前是有线数字电视为主体的发展方向,所以在有线数字电视正处于高速发展之中,中国数字电视的高速发展主要依靠有线数字通道拉动。
China’s digital television is mainly composed of four channels: cable digital television, terrestrial digital television, satellite digital television and IPTV network television. Since digital cable television is the main development direction in China at present, digital cable television is in a rapid development. The rapid development of China’s digital television rely mainly on digital cable channel pull.