以下为句子列表：
英文: In the aerodynamic optimization design of turbomachine, the approximation model methods enable to balance the computational cost and accuracy, whose successful applications in centrifugal compressor impeller, diffuser, and mixed-flow pump impeller designs
中文: 基于统计学理论提出的近似模型方法有效地平衡了基于计算流体动力学分析的叶轮机械气动优化设计中计算成本和计算精度这一对矛盾，在离心压气机叶片扩压器、叶轮和混流泵叶轮设计等问题中得到了成功应用，展示了广阔的工程应用前景。
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英文: Instead the pump impeller should be trimmed or valves located else where in the system to partially throttle the flow.
中文: 代替泵叶轮应该经过修整，或者阀门应该位于系统部分节流的地方。
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英文: It is not only used to design centrifugal pump impeller and diffuser, but also used to design non_clogging pump impeller and diffuser, radial diffuser, space diffuser, etc.
中文: 它除了可进行清水泵的叶轮、蜗壳水力设计外，还可设计无堵塞泵的叶轮、蜗壳以及径向导叶、空间导叶等水力件的水力设计。
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英文: The character of pseudothermal temperature equation is expounded; numerical computation of two phase flow of power law fluid in different kind of pump impeller blade and under the influence of its material parameters (viscosity and flow exponent) has been
中文: 摘要详细阐述了颗粒拟温度方程，计算了不同型线的叶轮及改变幂律流体物性参数对湍流流动的影响。
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