For different models, the failure probability characteristics and evaluation methods have been studied respectively.
针对不同的分布模型，分别分析了其失效概率的性质，并给出了失效概率的估计方法。
In the research of the designing methods, the basic procedure and the designing technique have been studied respectively.
在设计方法的研究中，又分别进行了实验设计的基本程序和设计技法的研究。
The hydraulic characteristics of the smooth spillway, the stepped spillway and the pre-aerator stepped spillway have been studied respectively.
对光滑溢洪道、阶梯溢洪道和前置掺气坎式阶梯溢洪道水力特性进行了对比研究。
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