定常性 meaning in English
steadiness
Examples
- Nonconstancy of variability
变异的非定常性 - This paper has adopted the low - order surface panel method based on velocity potential to predict the unsteady performance of propeller
本文采用基于速度势的低阶面元法进行螺旋桨非定常性能的预报。 - The harmonic analysis and the panel method have been used to predict the unsteady performance of propeller . this computer program has been developed
用谐调分析方法把面元法巧妙地应用于螺旋桨非定常性能预报，并开发了计算程序。 - Zhang jian - hua , wang guo - qiang . prediction of hydrodynamic performances of ducted controllable pitch propellers [ j ] . journal of ship mechanics , 2002 , 6 ( 6 ) ( accepted )
王国强,胡寿根.螺旋桨非定常性能计算的升力面方法[ j ] .上海交通大学学报, 1989 ( 3 ) - Unsteadiness is an essential attribute of the flow in turbomachinery . the related work has been one of the major problems in the research of turbomachinery aerodynamics , and has focused much attention of scholars for many years
非定常性是叶轮机械内流动的本质属性，对叶轮机械非定常流动的研究是近年来叶轮机械气动热力学领域里的难点和热点之一。