class of insurance business造句

Class of insurance business
保险业务类别
In this paper , we consider the correlated risk processes with negative risk sums . we define the correlation between the two classes of insurance business as the thinning dependence structure . we mainly study how the dependence between the two classes impacts on the ruin probability
本文引入了一类相关负风险和风险过程,负风险和类之间的相关性由稀疏相关结构定义,主要研究类之间的相关性对破产概率的影响。
It's difficult to find class of insurance business in a sentence. 用class of insurance business造句挺难的