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.
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。
He suggested telecommunications and power transmission might also be affected due to sudden changes in astronomic gravity and light intensity.
他并表示电信服务和电力供应也可能受天文重力和光强度突变的影响。
As the intensity of light varies - by the breaking of a light beam, say, or a decrease in general illumination - the amount of current generated by the sensor changes.
光线强度的变化(如光束被遮断或是一般照明的降低)会造成侦测器里产生的电流随著改变。
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