Experimental results and theoretical work show that the mechanisms of the direct charging and the corona charging are respectively the tipeffect and collision effect.
由试验结果和理论分析得到直接荷电法的机理是尖端效应,电晕荷电法的机理为碰撞荷电。
2
Photo Tip: Try slowing down the shutter when you shoot water-this always adds an interesting effect.
图片提示:当你拍摄水的时候,请你尝试放慢快门速度,它会为你添加有趣的效果。
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Photo Tip: Shooting into the light, or "backlighting," will add a halo effect to hair and clothing and other details of the subject.