Introduced is this paper are the probability differential method and the unify way of calculating the probability distribution of the continuous type and that of the discrete type.
本文通过引进“概率元”，把连续型和离散型两类求概率分布的方法统一起来，建立起“概率元法”的理论及其计算方法。
The paper discusses the ruin probability of discrete risk mode and works out the expressing pattern easier for calculating ruin probability with the claim amount distribution function known.
对一种离散风险模型的破产概率进行研究，并在理赔额分布函数已知的情况下推导出了破产概率的更易于计算的表达式。
The trinomial distribution risk model in discrete setting is explored . The probability of ultimate ruin and the probability laws of the surplus immediately before ruin are discussed with emphasis.
本文探讨了离散的三项分布风险模型，重点研究了与风险有关的最终破产概率和破产前一刻的盈余的概率律。
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