方法在因子分解定理的基础上提出了一个判别指数型分布族的简单方法。
Methods A simple method for distinguishing of exponential distribution family is obtained based on factorization theorem.
结果提出了指数型分布族的因子分解判别法，并给出了指数型分布族的一个良好性质。
Results a factorization discriminance of exponential distribution family was obtained, moreover good properties of exponential distribution family were established.
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