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1. The picture-tube brightener was designed to enhance the color and contrast of TV images.
电视画面增强器旨在提升电视画面的色彩和对比度。
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2. The new picture-tube brightener has improved the viewing experience significantly.
新的电视画面增强器显著提升了观看体验。
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3. The picture-tube brightener is a must-have for anyone who loves watching movies on their big screens.
对于喜欢在大屏幕上看电影的人来说，电视画面增强器是必不可少的。