Second, by using empirical method, we find out that the distribution of the change of foreign exchange rate is not normaldistribution but fractal distribution.
然后通过实证，指出了外汇汇率变化不服从正态分析，而是服从分形分布；
2
The return of RMB exchange rate has a characteristic of fluctuation clustering, does not comply with the normaldistribution and has an obvious peak and fat tails.
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。
3
It was found that the reaction rate submitted normaldistribution with reaction time and a normal distribution model was proposed to fit the kinetics data.