The dark screen center is the important problem of quality in the manufacture of micro B/W picture tubes.

暗中心是微型黑白显像管制造中突出的质量问题。

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and screen veteran Max Von Sydow plays a brilliant psychiatrist whose own past may harbor dark secrets.

VOA: standard.2010.02.27

He has attempted to etch-a-sketch an issue that inevitably leaves an un-erasable dark shadow on the screen.

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The only time I really experience any self-reflection these days is when my computer sleeps and my screen goes dark.

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The screen went dark in the Map Room, and almost immediately there was Hatch on NBC threatening, "I'm just going to blow my stack" if he hears another word against Starr.

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