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According to the net-speed, you can wacth TV on different...

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《社科电视》演播室《社科电视》主播室《社科电视》制作电视节目《社科电视》社科播报详情点击:

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According to the net-speed, you can wacth TV on different...

SD-TV(640 x 480)Standard definition

《社科电视》演播室《社科电视》主播室《社科电视》制作电视节目《社科电视》社科播报详情点击:

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