simulation job模拟作业simulationn.模拟；仿真；赝品simulation of soil erosion土壤侵蚀模拟Simulation impact test bed模拟碰撞试验台Simulation Data Subsystems仿真数据子系统simulation problem solving[计] 模拟问题解simulation model component仿真模型组件Simulation spatial service空间服务simulation of NC machining数控加工仿真simulation of viscous flow粘流模拟simulation and realization仿真与实现simulation research design模拟作业研究设计