选取了不可压缩无粘流体的欧拉运动微分方程作为尾流场的控制方程，螺旋桨则用升力线理论计算。
The Euler equations of incompressible and inviscid fluid are used for control equations of the stern flow field, and the propeller is computed by lift line theory.
综合运用牛顿—欧拉方法、拉格朗日法对运动平台受力情况进行了详细分析。
Detailed analysis of forces received by motion platform is done by using Newton-Euler and Lagrange methods synthetically.
通过对交通流参数的微分分析，建立了交通流的运动微分方程和欧拉方程。
Traffic momentum differential equation and Euler's equation are constructed by means of differential calculus.
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