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数字视频广播
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数字视频广播
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digital video broadcast
数字视频广播
是指通过高频信号调制,将视频、音频、附加信息等数字方式进行编码,借助广播进行传播的电视传输与收看系统。
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nucleus at proton drip line
nucleus at proton drip-line
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nucleus of comet
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nuclide
nuclide accumulation
nuclide chart
nuclide environmental behavior
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