仿真结果表明，该方案在保证伺服系统的快速精确跟踪性的同时，对系统参数变化和阻力扰动具有很强的鲁棒性。
The simulation results show that the control scheme not only can enhance fast tracking performance, but also has a strong robustness to parametric variations and resistance disturbances.
本文计算了各种条件下绕圆柱的阻力系数、流函数涡量分布以及扰动流函数等。
The drag coefficient, the stream function and vorticity, the perturbed stream function are calculated under various conditions.
扰动地面的雷诺数和阻力系数均大于原地面，弗劳德数差异不显著；
The Reynolds number and the resistance coefficient of the disturbed land was more than that of the undisturbed land.
假设为大孔隙多孔介质，模拟钠在蒸汽发生器内的流动，引入体积孔隙率，面渗透率和分布阻力来模拟管束、支撑板对钠流动的扰动。
The model simulates sodium flow in the steam generator as quasi-continuum. The model USES volume porosity, area permeability and distributed resistance to model the tubes and support plates.
假设为大孔隙多孔介质，模拟钠在蒸汽发生器内的流动，引入体积孔隙率，面渗透率和分布阻力来模拟管束、支撑板对钠流动的扰动。
The model simulates sodium flow in the steam generator as quasi-continuum. The model USES volume porosity, area permeability and distributed resistance to model the tubes and support plates.
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