概率律

运用5种概率分布律对77块天然常绿阔叶林样地的直径分布进行拟合。

Five probability distribution laws were applied to analyze diameter-distribution of natural evergreen broad-leaved forests of 77 sample plots .

应用5种概率分布律对格氏栲林8个主要树木种群的直径结构进行拟合，比较不同类型的拟合效果，探索各种群直径分布结构特征。

Five probability models are applied to analysis the structure features on diameter distribution of 8 main tree populations in natural forests of C kawakamii .

研究了带移民分枝粒子系统的结构，证明了伴随带移民分枝粒子系统所对应的伴随卷积半群可以由分枝粒子系统的无穷可分概率进入律来刻画；

Two results are given . One is that every associated convolution semigroup can be determined by an infinitely divisible probability entrance law of the branching particle systems ;

本文对任意的初始盈余u≥0，给出了上述概率或概率律的递推公式，变换公式和显式公式.其结果可以在离散的多项分布风险模型中得到推广。

We have got recursive formulae , transform formulae and explicit formulae of probability or probability laws mentioned above for arbitral initial surplus u ≥ 0 . The results can be generalized in the multinomial distribution risk model in discrete Setting .

分析结果显示为城市迁移人口累积概率分布呈幂律，结果与实证结果相吻合。

The analysis result is that the accumulative probability distribution of inter-urban migration appears to be the power-law distribution and practical survey data inosculates with model evolution result .

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。

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 .