The type and parameters of the prior data distribution should be known in Bayesian method. 在贝叶斯处理中，必须确定先验分布的类型和分布参数。
By using the theory of the likelihood ratio test, a method for choosing prior distributions and classes of prior distribution is given. 摘要利用似然比检验原理，给出了选取先验分布及先验分布族的似然比检验方法。
