steady and unsteady flow 非定常流动
steady and unsteady flows 非恒定流
steady and unsteady convection-diffusion equation 定常和非定常对流扩散方程
Also, an adaptive filter is employed to separate steady and unsteady conponets from original EEG signals.
同时，使用自适应滤波器对原始信号进行滤波；
By using inverse method, the analytical solutions of couple stress fluids were obtained for steady and unsteady cases.
本文采用逆方法研究并获得了应力偶流体的定常和非定常精确解。
The results of three dimensional steady and unsteady flows show that the methods developed in the thesis are effective.
三维定常、非定常的计算结果表明本文的方法是有效的。
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