气含率和液体循环速率是气升式内环流反应器的主要流体力学特征，也是反应器运行过程中的重要状态参数。
Gas holdup and liquid circulation velocity are the mostly important hydrodynamic characters and state parameters of internal-loop airlift reactor.
压降是超重力旋转床流体力学的重要特征之一。
The pressure drop is one of the most important characteristics in hydrodynamics of high-gravity rotating bed.
基于模态分析，从流体力学扰动方程组出发，推导出了特征方程。
Based on the normal mode analysis, the characteristic equations were deduced from the perturbation equations of fluid mechanics.
基于模态分析，从流体力学扰动方程组出发，推导出了特征方程。
Based on the normal mode analysis, the characteristic equations were deduced from the perturbation equations of fluid mechanics.
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