smpl是一个排队论的仿真软件，用这个软件做排队论模型的仿真有灵活高效的特点，这块软件是最早的一款排队论模型仿真软件-smpl is a queuing theory, simulation software, using this software to do simulation of queuing theory model of flexible and efficient characteristics, the earliest piece of software is a queuing theory model of simulation software
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