运动方程

Stability and local bifurcations of the fixed point of periodic impact are analyzed.

建立了两自由度含间隙振动系统对称周期碰撞运动的Poincar啨映射方程，讨论了该映射不动点的稳定性与局部分岔。

For some typical ship manoeuvring motions in restricted waters, numerical study on simulation of the viscous flow and calculation of the hydrodynamic forces is carried out by solving the RANS equations:(1) Numerical study on the viscous flow and the hydrodynamic forces on a ship in oblique motion in shallow water.

本文针对如下几种典型的限制水域中的船舶操纵运动，通过求解RANS方程，对其粘性流场和水动力进行了数值研究：(1)浅水域船舶斜航运动的粘性绕流场及水动力数值计算研究。

The optimal transfer trajectory equations of these two formation reconfigurations are proposed, and the relationship among the trajectory, the desired relative orbit, and the optimal impulses is shown.

在这些解析解的基础上，分别导出了前面两种编队重构的最优转移轨迹方程，揭示了最优转移轨迹与相对运动轨道及作用冲量之间的关系。

The the oretical basis of this method is still the governing equation of gro undwater flow.

这种方法的理论基础仍然是地下水运动的控制方程。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。