part of variables ,obtains the stochastic chart , then carries on the analysis, the solution to the chart,obtains the information transmission the average through- put probabilistic model, obtains summation distribution extracts the average through - put.

Equivalence of the two quadratic unbiased estimation methods for random model;

Comparison and analysis of random model of single tree biomass adjustment.;

A random model for changing cutting tools in an automatic lathe is established, which provides scientific basis for the automatic lathe management, and therefore the working efficiency is highly improved.

A conceptual-stochastic model for predicting the dynamic soil water storage in crop root zone;

Study on stochastic model of large-scale unsaturated flow and analysisof its effective parameters;

A study on stochastic model for the construction of concrete longitudinal cofferdam in the Three Gorges Project;

Advancement of stochastic modeling for non-stationary groundwater transport and interaction between small-scale heterogeneity and large-scale non-uniformity;

Heteroscedastic and time correlation characteristics of the GPS observation sequence are the main error structures for GPS stochastic modeling.

And then, stochastic models are used to build the expectation and the risk of the profit function under multi-stage procurement when the shortage rate obeys normal distribution.