system dynamics model sd 系统动力学模型
Taking the forestry economy system of Nanch 'a area in Heilongjiang province as an example, a system dynamics (SD) model is built, tested and analyzed based on structure analysis.
以黑龙江省南岔区(局)林业经济系统为例，在分析系统结构的基础上，构建了林业经济系统SD模型，并且对总体模型进行历史检验与仿真分析。
The study, based on the system of dynamics theory and SD model, simulated the balance between the water and soil of Ejina Oasis.
本文以系统动力学理论为基础，采用SD系统动力学模型，对额济纳绿洲水土资源平衡进行模拟研究。
Analysis of port's influence on economy is conducted based mainly on system dynamics (SD), combining also input-output method, the Mulitplier, and econometrics model.
以系统动力学(SD)模型为主体，结合投入产出法、乘数法和计量经济学模型，进行了港口经济影响分析。
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