用20除以132000，但现在背散射，的概率是被散射回来的小球，除以总的小球数，你们记得。
But in our case, the probability of backscattering is going to be the number of balls that backscatter, and that's going to be divided by the total number of ping-pong balls.
你们有我们称为总横截面的,那是散射或者吸收的总概率,这些是我们要谈论的,2个现象。
You have what we call a total cross section which is the total probabilities of either scattering or absorption. These are the two phenomenon that we are talking about.
实验结果表明，这种方法不仅可以估计出散射元的平均间距，而且还能估计出散射元的空间分布及概率分布。
The experimental results show that this new method can be used to estimations of spatial distribution and the probability distribution of scatterers .
针对输运修正引起的自散射截面导致的负概率抽样现象，提出了一种非负修正方法，并用基准计算验证了该方法的正确性。
Because of the phenomenon that the negative self-scattering cross sections cause the negative probability sample, a nonnegative corrected method is put forward and validated by the benchmark problems.
结果显示随机概率抽样方法拟合的相函数与散射相函数间的方均根差更小。
The result showed that the root-mean-square of Phase function fitted by random probability sampling method is smaller.
针对粒度仪标定的准确度 ，在概率空间基础上 ，提出了尘埃粒子散射光信号幅度概率谱线和散射光信号幅度概率谱函数的概念 ，并对谱线在概率空间下的性质进行了研究。
The amplitude spectrum line and the amplitude spectrum function are proposed for the airborne particle scattering light signal, and their properties are studied in probability space.
在云中，有一种高概率的向前散射光线。这是叫散射的各向异性。
In clouds, there is a higher probability of light scattering forward.
在云中，有一种高概率的向前散射光线。这是叫散射的各向异性。
In clouds, there is a higher probability of light scattering forward.
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