中文说明：蒙特卡洛使用程序基本源代码，提供随机变量的多种分布类型，可以直接使用。-Monte Carlo procedures for the basic source code, to provide a wide range of random variable distribution type, can be used directly.
English Description：
Monte Carlo procedures for the basic source code, to provide a wide range of random variable distribution type, can be used directly.