求翻译：任何一个实际系统都有一定程度的不确定性，他们来自系统内部或外部。面对这些客观存在的各式各样的不确定性，如何综合出适当的控制方法使系统达到最优或接近最优的指标，就是自适应控制所要研究解决的问题。是什么意思？

Any one of the actual system has a certain degree of uncertainty, they come from internal or external. The face of the objective existence of a wide range of uncertainty, how to synthesize the appropriate control system to achieve optimal or near optimal index is adaptive control to be resolved.

Any of the actual system there is a degree of uncertainty, they come from the system internal or external. Faced with a wide variety of these objective uncertainty, how to integrate the appropriate control methods allow the system to achieve optimal or near optimal indicator is the adaptive control

Any actual system all has certain degree uncertainty, they come from the system interior or exterior.Facing does these objective existence all kinds of uncertainty, how synthesize the suitable control method to enable the system to achieve most superior or close most superior target, is the adaptive

Any actual system there is a degree of uncertainty, they come from inside or outside the system. The objective existence of a wide range of uncertainties, the synthesis of appropriate control method to achieve optimal or near-optimal index for system, adaptive control is to solve the problem.

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