针对冲压机械的特点，采用计算机仿真和物理模拟，为冲压类机械动态特性分析与研究提供了一种实用方法。
According to the features of the punch machine, we research on the dynamic properties and put forward a practical way by means of computer simulation and physical simulation.
分析了采用输入、输出虚队列的输入缓存式以太网交换机的运行机制，并用计算机仿真的方法对其进行模拟、评价。
The structure and the operation mechanism for the input-buffered Ethernet switch with input and output virtual queues is analyzed. The model is simulated and evaluated by computer simulation.
采用计算机仿真的方法模拟整个矿井运输系统的运行情况，从而确定系统煤仓容量和系统的有效度。
Mine transportation system's operation statuses was simulated by computer methods, and bunker capacity of the system and its validity were determined based it.
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