Point 2: Chinese medication entails dynamic regulation 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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These direct calculation methods are quite different from the traditional trial and error method and more reliable and easy, which can be used in engineering design instead of trial and error method.

直接计算法安全、合理且简便，可代替传统试算法而应用于工程设计。

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The zero mean phase error method is (economical) and easy to realize.

零相位误差法具有经济适用、便于实现的优点。

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Or even how, the method by which you will correct the error you have picked up on?

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In the 1990s America's Supreme Court deemed it the responsibility of federal judges to insist that expert witnesses testify about the reliability of a forensic-scientific method only if the method in question has been tested so that the range of its error rate is known.

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