A system configuration of helicopter simulation is given and a mathematical model of helicopter hovering is set up as to development helicopter simulating system in Marine search and rescue simulator.
为了研制海上搜救模拟器的直升机模拟系统，给出了直升机模拟的系统结构，建立了直升机的悬停数学模型。
According to the distribution rules of readers' arrival interval and service time, the mathematical model for simulating library circulation system was established by the Monte Carlo methods.
根据读者到达时间间隔和借还书服务时间的分布规律，利用蒙特卡罗的方法建立了模拟图书馆流通服务系统运行过程的数学模型。
According to the distribution rules of readers' arrival interval and service time, the mathematical model for simulating library circulation system was established by the Monte Carlo methods.
根据读者到达时间间隔和借还书服务时间的分布规律，利用蒙特卡罗的方法建立了模拟图书馆流通服务系统运行过程的数学模型。
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