对于球形颗粒物，r为球的半径但非球形颗粒物，r还不确定。 水中由悬浮颗粒物产生的光散射引起光子的传输方向发生变化，光子已偏离了准直方向。但不会改变光子的其他特性随机过程。 -scattering light transmission in water

本课题通过针对水下悬浮颗粒物为目标，重点利用等效球的Mie 散射理论分析研究了悬浮粒子的散射特性。-This paper studied the scattering properties of suspended particulates by Mie scattering theory for underwater suspended particles as the goal, the focus of the analysis

很漂亮的圆形窗口(仿360悬浮球).美化必备(Round window (like 360 suspension ball))

安卓悬浮球，类360的悬浮球，悬浮窗Service 该服务会在后台一直运行一个悬浮的透明的窗体。(Android floating ball, class 360 floating ball, floating window will Service the Service runs in the background is a suspension of transparent form.)