Although the statistical domain is changed, probability distribution pattern of different parameters ( uranium grade, thickness, meterpercentage and URa radioactive equilibrium coefficient) and their correlative relationship are not changed.

(2) Analyze two reverberation envelope probability distribution models (Rayleigh distribution model and K distribution model) by theoretical, and analysis K distribution parameter estimation method which used in this paper and its estimated performance.

Based on the passenger boarding and alighting data,simple probability distribution model is used to propose the specific methods of calculating inversely the transit stop OD distribution matrix.

Probability distribution model and its analysis for the quantizing process of laser gyro;

This paper reviews the research methods of spatial pattern of insect population based on the analysis of four main entries of the research methods, which are probability model, dispersion indices, regression model and geostatistical model.

By the method of K-S test,the hypothesis of Chinese university dormitories\' fire load obeying extreme value type I distribution is accept,and the probability model of dormitories\' fire load is built.

The probabilistic distribution model for the release rates of H2S in the sour gas wells of Sichuan and Chongqing areas was developed using the complementary cumulative distribution function.