The boundary value problem usually describes the deformation of elastic beam with both fixed end-points.
该边值问题通常描述了具有固定两端点的弹性梁的形变。
With the help of Poincare mapping, the stability problem of periodic orbits was changed to that of the fixed points on the mapping plane.
利用庞加莱映射将周期轨道的稳定性分析转化为映射平面上不动点的稳定性分析。
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