... 高清播放 high-definition broadcasting 刚性需求 rigid demand 居家隔离 home quarantine ...
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"It would be a great opportunity to test high-definition broadcasting from a live event, " said a BBC spokeswoman.
BBC: NEWS | Entertainment | BBC to trial high-definition TV
In 1935, the first High Definition Television service was officially inaugurated by the director-general of German broadcasting in Berlin.
CNN: Sunday,
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