probability limit state design 概率极限状态设计
probability limit state design method 概率极限状态设计法
limit state probability 极限状态概率
The hydraulic calculation method of probability limit state of rainwater pipeline is put forward.
定义了概率极限间隙和概率极限过盈，并推导出了它们的计算方法。
So studying reliability of rainwater pipe network and adopting probability limit state design method based on reliability theory to design rainwater pipe network have important actual meanings.
因此，研究雨水管网的可靠性，采取基于可靠性理论的概率极限状态设计法来设计雨水管网有着重要的实际意义。
The mathematical models of probability of random event and fuzzy random event should be taken to analyze the reliability of a structure for these two kinds of limit state.
对这两种极限状态，应分别采用随机事件和模糊随机事件概率的数学模型进行其可靠度分析。
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