cross members should be all steel; from the transverse hall the stairway ascends gracefully; transversal vibrations.
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train dynamic transversal vibrations offset 列车动态横向振动偏移量
The planar laser scanning technique described in this paper realizes the measurement of train dynamic transversal vibrations offset easily and exactly.
采用激光二维扫描技术，实现了列车动态横向振动偏移量的测试，易于实施，数据准确，对制定合理的站台界限提供参考数据。
In the paper, a perturbation solution analysis for axisymmetric transversal intrinsic vibrations of annular membranes with varying density is presented.
采用修正摄动法研究了变密度环形薄膜的轴对称横向固有振动，并求得了确定其横向振动固有频率的特征方程。
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