In this paper,we make a stochastic comparison of two Gamma random variables with different parameters and related random variables based on the Laplace transform of the Gamma distribution, and investigate the relationship between the random variables and their parameters.%在已有的几个随机序关系下对两个伽玛变量及其相关变量进行随机比较，考察了两个伽玛变量及其相关变量在这几个随机序下的大小与参数之间的关系．
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