得出离子的平均自由时间的数值等于散射几率的倒数；
The value of average ionic freedom time is equal to the reciprocal of scattering probability.
采用X光小角散射法测试其颗粒分布和平均粒度。
Particle size distribution and average diameter are tested by small-angle X-ray scattering.
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 .
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