By varying the intensity which these phosphors glow, the computer monitor can vary the perceived color at each pixel.

通过改变这些荧光强度发光，电脑显示器可以在每个像素变化的感知颜色。

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The light on his bedside table began to glow softly and increase in intensity, his signal to wake up.

床头柜开始反射出柔和的光芒，越来越刺眼，这是他该起床的信号了。

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