IMACS World Congress on Systems Simpulation and Scientific Computation IMACS World Congress on Systems Simulation and Scientific Computation (Montreal,Canada)IMACS World Congress on Systems Simulation and Scientific Computation IMACS World Congress on Systems Simulation and Scientific Computation(11th:1985:Oslo,Norway) IMACS World Congress on Systems Simulation and Scientific Computation (10th:1982:MontrealQuebec) IMACS World Congress on Systems Simulation and Scientific Computation(10th:1982:Montreal,Canada) Beijing International Conference on system Simulation and Scientific Computing Beijing International Conterence on System Simulation and Scientific Computing Data-driven modeling and scientific computation Environmental system simulation and optimization