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 close-form range curvature factor is constructed through the correspondence of the instant Doppler frequency to the squint angles.

利用瞬时多普勒频率与波束斜视角的对应关系构造出一种具有闭合解的距离弯曲因子。

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We first derive optimal replenishment policies for the retailer, optimal production policies for the supplier, as well as close-form solutions for optimal expected profits.

首先求解零售商的最优订货政策、供应商的最优生产政策，并给出最优期望利润的解析表达式；

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Close one hand to form a ball.

VOA: special.2009.08.11

Notice the form of it, it's just the name of the class followed by open paren, close paren, treating it like a function.

我该怎么来使用类呢？,好，我可以像调用方法,一样调用类，你可以在下面看到，创建一个名为。

麻省理工公开课 - 计算机科学及编程导论课程节选

It's difficult to imagine that as an expression of genuine grief over the death of a genuinely close friend would take the form of a poem so learned, so filled with remote literary allusions and obscure opinions.

这首诗是为表达对挚友逝去的真挚悲痛,却采取了这样一种如此博学，如此充满,遥远的幻境和隐晦的观点的形式,这确实是难以想象的。

耶鲁公开课 - 弥尔顿课程节选

She said the close student community made it easy to form close friendships.

BBC: Prince seals a 'match made in St Andrews'

In one way or another, atoms of different elements are brought close together to form their crystalline lattices.

ECONOMIST: Minerals

If you are good at the profession of leadership, then you habitually form close relationships with your team members.

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