It's common to design the value of control parameters by method of trial and error, which is hard to acquire satisfactory results.

通常用试凑的方法设计控制器参数，往往难以达到最佳效果。

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The algorithm can recognize the excellence and worseness of different processing route by trial-and-error method.

算法利用试错，区分加工路线的优劣。

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Secondly, the TCN treatment consists of dynamic adjustment and trial and error method.

二是中药治疗方法中包含一种做法，就是动态调整和试错。

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Paion recently unveiled results of a midstage trial that took advantage of a new imaging method, called diffusion-perfusion MRI, to pinpoint patients best suited to receive the drug up to nine hours after a stroke.

FORBES: Brain Repair

His firm hopes to convince the government to fund a giant clinical trial of the method on emergency room patients.

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Menasche's initial trial of the method on ten patients showed tantalizing hints of efficacy, but because there was no control group, it is impossible to tell whether the improvements seen were due to the cell transplant or to the bypass surgery the patients also received.

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