This paper is concerned with the stochastic control model for hitting the target at end point which is abstracted from industrial processes.

对于由一些工业过程抽象出来的终点命中问题，本文构造了一种随机控制模型。

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We formulate the problem as a continuous-time stochastic control model. Through analyzing the properties of the expected value function, we derive its close-form solution.

我们将该问题描述为一个连续时间随机控制模型，通过对价值函数性质的讨论，我们给出了模型的封闭解。

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A simulation model of inventory system is set up through turning the stochastic and uncontrolled demand control problem into the method of setting up safe inventory.

该文首先通过将随机的、不可控的需求控制问题转化为安全库存设置问题的方法，建立了库存系统的仿真模型。

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