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based on hybrid petri nets. the practical application showed that the average makespan was shortened by a large scale. i also publicized two papers in core journals with this idea. recently, i am doing research in the posite predict of the electrical power system assisted with the technology of data mining for bao steel. i try to bine the decision tree with receding optimization to provide a new solution for the posite predictive problem. this project is now under construction.besides, in july 2xxx, i got the opportunity to give a lecture in english in asia control conference (ascc) which is one of the toplevel conferences among the world in the area of control and automation. in my senior year, i met prof. xiaosong lin, a visiting professor of mathematics from university of californiariverside, i learned graph theory from him for my network research. these experiences all rapidly expanded my knowledge of english and the understanding of western culture.i hope to study in depthin retrospect, i find myself standing on a solid basis in both theory and experience, which has prepared me for the . program. my future research interests include: network scheduling problem, heuristic algorithm research (especially in ga and neural network), supply chain network research, hybrid system performance analysis with petri nets and data mining.please give my application materials a serious consideration. thank you very much