由于正二十面体的对称壳层结构，离子动能分布具有尖峰结构。
Because of the symmetrical shell structure of the icosahedron, the distribution of the ionic kinetic energy features some pinnacles.
人民币汇率收益率波动有集群性效应，不符合正态分布，有尖峰厚尾的特点。
The return of RMB exchange rate has a characteristic of fluctuation clustering, does not comply with the normal distribution and has an obvious peak and fat tails.
仿真分析表明，二项分布和泊松分布均可以在低虚警概率下较好地描述海尖峰的统计特性。
The results indicate that both binomial distribution and Poisson distribution well fit the statistic characteristics of sea spike under lower false-alarm probability.
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