Exact solution of a statistical model for laser beam scattering from diffusingsurface has been obtained, the comparison with the approximation of center of gravity has been made.
本文对激光束在漫射表面上散射的一类统计模型给出了严格解,并与“质心近似”所得结果作了比较。
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As soon as you uncork a bottle, CO2 starts diffusing from the champagne into the air. But pouring it speeds up that process, by increasing surface area and turbulence.