Based on flexible multi-body system dynamics theory, kinematic and dynamics equations of deployable space cable-pole structure are derived.

基于柔性多体系统动力学理论，推导了可展空间索杆结构的运动学与动力学方程。

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Two classes of numerical methods based on FD-WENO schemes were recommended for solving nonconservative compressible ideal fluid dynamics equations.

以求解双曲守恒律组的FD-WENO格式为基础提出了两类用于求解非守恒可压编理想流体力学方程组的数值方法。

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First, now in all common numerical methods for the satellite dynamics equations the most important problem that needs to be improved is stability problem.

首先，目前在卫星动力学中常用的所有人造卫星运动方程的数值解法有待改进的最重要的问题就是稳定性问题。

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Gravity, he figured, was a warping of space and time, and he came up with the equations that describe how the dynamics of this curvature result from the interplay between matter, motion, and energy.

NPR: Einstein: Relatively Speaking, a Complicated Life