说明：  该软件实现了随机序列的读取，联合分布及边缘分布的计算，并且可以建立并可视化基于Gaussian和t Copula 函数的相关性模型，并用欧氏距离进行模型评价
(The software realizes the reading of random sequences, the calculation of joint distribution and edge distribution, and can establish and visualize the correlation model based on Gaussian and t Copula functions, and use the Euclidean distance for model evaluation)