Based on the previous results, an improved estimator of the commonparameter is presented, and a testing for the parameter reflecting the efficacy of treatment is proposed.
在以前结果的基础上，文中给出模型中公共参数的一个改进估计，提出了一个药物治疗效果的检验方法。
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This article introduce refered commonparameter when choosing the power line filters, especially introduce the series products in the communication industry as well as the latest filters.