尽管自然界中的大部分蜘蛛都只能看到明暗强度和动作的变化，但是Web spider却可以使用很多种协议来看和感知。
While most spiders in nature can see only light-dark intensity and movement changes, Web spiders can see and feel using many types of protocols.
开普勒在观察TrES - 2b和它的恒星时，只发现了很轻微的光线明暗变化，不过足以确定一颗跟木星体积相当的巨大气体球就是原因所在。
Watching TrES-2b and its star, Kepler detected only the slightest such dimming and brightening, though enough to ascertain that a Jupiter-size gas giant was the cause.
有时候，我用这个工具去锐化头发的细节，并且分散头发的颜色，可以使头发的颜色存在更多的明暗对比和变化，并且可以少用单一的颜色。
Sometimes I use this on hair to sharpen the details and disperse the colour which can be worked into the hair to give it more tones and variation, and less of a monochrome look.
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