Diffusion Monte Carlo methods.
扩散蒙特卡洛法。
To calculate the neutron distribution, in this case, a rather big errors would occur if the diffusion theory be used. However, Monte Carlo Method is suitable at dealing with the problem.
在这种情况下，如果采用扩散理论计算这种组件内的中子分布，会引起相当大的误差，但蒙特卡罗方法是非常适合于处理这种情况的。
The drug diffusion coefficient was considered as the function of distance and time, and calculated using Monte Carlo-diffusion combined model in this paper.
通过建立蒙特卡洛-扩散复合模型，并根据计算结果求解扩散系数，并使其成为位置与时间的函数。
Finally we propose two improvements to the Monte Carlo model, on one hand we assume price changes follows jump-diffusion process in order to capture the fat-tail feather of the yields sequence.
最后，针对蒙特卡洛模型的上述缺陷我们提出了的两点改进方案，一、假设合约价格变化服从merton提出的跳跃扩散过程，以便捕捉收益率序列的厚尾特征。
Finally we propose two improvements to the Monte Carlo model, on one hand we assume price changes follows jump-diffusion process in order to capture the fat-tail feather of the yields sequence.
最后，针对蒙特卡洛模型的上述缺陷我们提出了的两点改进方案，一、假设合约价格变化服从merton提出的跳跃扩散过程，以便捕捉收益率序列的厚尾特征。
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