关键词：概率统计分布；K-S检验；正态分布 [gap=570]Keywords：Probability statistical distribution；K-S test；Normal distribution
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系统经一个暂态过程后达到一个临界态，其雪崩大小的概率统计分布服从幂次规律。
After a short transient time, the system reaches a critical steady state in which avalanches of activity are distributed according to power-law.
结合堆石体颗粒的概率统计分布模型，建立了堆石体颗粒含量与渗透系数之间的经验关系式，把渗透率和堆石体的粒径特征结合起来。
And an empirical formula is established to describe the relation between particle content and seepage coefficient through probability statistical distributing characteristics of particles in rockfill.
通过统计分析得到进度和费用的模拟概率分布，进而得到进度和费用风险曲线，为评价工程项目的风险提供了依据。
The probability distribution and risk curve of schedule and cost are obtained by statistic analysis, providing a basis for risk evaluation of engineering projects.
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