In rooms with a good deal of ambient light, a screen image with a dark background and light text tends to washout, but dark text on a light background will maintain its visual intensity a bit better.
在光线明亮的房间里，深色背景和浅色文本搭配的屏幕图像容易泛光，但是浅色背景搭配深色文本的视觉效果就好得多。
The background light influences phototaxis of round scad on the horizontal gradient condition, the influence weakens with the increasing light intensity.
背景光对兰圆鲹在水平光梯度内之趋光性有影响。随着光强的提高则影响有减弱趋势。
To overcome the interference of background light, a new turbidity measurement method is described which uses light with modulated intensity as source.
为避免背景光的干扰，本文提出了采用调制光强测量浊度的新方法。
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