该方法将原参数非定常欧拉方程组重新组合成以广义黎曼变量表示的欧拉方程组，再用二点二步迎风格式离散求解。
Euler equations of generalized Riemann variable are derived from unsteady primitive variable Euler equations and solved by using two - a point-two-step upwind finite difference method.
数值计算结果使我们可以更加透彻地理解CDE各方面的参数，对于CDE的进一步研究具有一定的指导意义。
The numerical simulation results allow us get more detailed parameters of CDE and are good for further study of the CDE.
最后，用两种方法就PID参数的整定问题做了进一步的研究。
Finally, two methods of PID control parameter self-tuning are studied.
结果可为进一步改进动态植被模式的参数化方案和优化模型参数提供一定参考。
The results will provide important clues for the parameterization improvement and parameters optimization of the ICM.
为了达到PID控制的最佳效果，本文还进一步研究了基于PID参数自整定技术的PID控制器的设计。
In order to achieve the best result of PID controller, this paper further studies based on the PID parameters self-tuning PID controller design techniques.
为了达到PID控制的最佳效果，本文还进一步研究了基于PID参数自整定技术的PID控制器的设计。
In order to achieve the best result of PID controller, this paper further studies based on the PID parameters self-tuning PID controller design techniques.
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