根据逐段决定马尔可夫过程具有马氏性和强马氏性，本文推导出了在古典风险模型下绝对破产概率的一个明确表达式。
In this paper, we deduced the explicit expression of the absolute ruin probability for classical risk model by using of the Markov property and strong Markov property of PDMP.
文中首先推导了模块故障诊断方程，并对模块故障可测性问题进行了一般性讨论。
First, the equations of module level fault diagnosis are derived, and the testability problem for module fault is discussed in general.
推导出了有代表意义的公式为，通过实例结果分析，调压可提高配电变压器运行的经济性。
The formula was derived. The results of the example showed the economic running mode of the distribution transformer could be improved by voltage spread.
推导出了有代表意义的公式为，通过实例结果分析，调压可提高配电变压器运行的经济性。
The formula was derived. The results of the example showed the economic running mode of the distribution transformer could be improved by voltage spread.
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