The main strategy should include in itself the use of three-dimensional flow theory, improvement of vanes stacking skill, control of hydraulic losses, and use of CFD in vane design procedure.
采用三维流动理论，改变叶片造型方法，控制水力损失和引入CFD方法是提升现有轴流泵叶片设计的主要策略。
According to the quasi-three dimensional theory of hydraulic machinery, this paper discussed the runner design method of the diagonal turbine, based on the blade turbine runner design theory.
本文根据流体机械准三元流动理论，以叶片式流体机械转轮的设计研究方法为出发点，针对斜流式水轮机转轮设计方法进行了理论探讨。
According to the design engineering construction drawing and theory of simulation, establish the three-dimensional model of main bridge using Ansys preprocessor program;
针对卡子湾大桥的结构特性，按照桥梁结构仿真分析的思想，建立三维主桥结构空间模型；
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