... 主座标 principal coordinates 准座标 quasi coordinates; quasicoordinates 总座标 vertical ordinate ...
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The paper studies the form invariance of differential equations of motion for holonomic systems in terms of quasi coordinates, under the infinitesimal transformations of groups.
研究完整力学系统准坐标表示的运动微分方程在群的无限小变换下的形式不变性。
This paper discusses the unified symmetry of a holonomic mechanical system in terms of quasi-coordinates under special infinitesimal transformations in which time is not varied.
研究准坐标下完整力学系统在时间不变的无限小变换下的统一对称性。
The equations of continuity and quasi irrotationality are transformed into the potential stream function coordinates. Then a Laplace equation can be deduced for an aerodynamic parameter "q".
将改写后的无旋条件与连续方程联立求解，可在计算面上将叶型设计问题用标准拉普拉斯方程来表示。
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