分别采用线性和非线性的有限元方法，对复合材料加筋壁板盒段结构的扭转稳定性和弯曲稳定性进行了计算，并将计算结果与试验结果进行了对比分析。
Finite element method was adopted to research the buckling problem of the composite box structure, which was composed by lots of different thin-panel members and was simplified.
关节突关节也叫做椎小关节，它提供脊柱稳定性，同时也允许其屈伸和扭转。
The facet joints - also called zygapophysial joints - provide stability, while also allowing the spine to bend, flex, and twist.
采用有限单元法对车体结构的强度、刚度、稳定性、挠跨比、扭转刚度进行计算，为车体设计提供了参考依据。
The strength, rigidity, stability and torsional rigidity of the bodywork structure were calculated by using finite element analysis. Thus the optimum fillet of the bodywork structure can be specified.
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