Thirdly, the simple forms of the minimum risk equivalent (MRE) estimators for a class of scale parameter are derived, and we study the U-admissibility of two class of equivalent estimators.

• 再次,我们得到了一类尺度参数的最小风险同变估计的简单形式,还研究了尺度参数两类同变估计的U-容许性。