以下为句子列表：
英文: It is difficult to test the moving-load-induced dynamic vertical displacement of a floating bridge, because the vertical displacement of a floating bridge consists of the contributions from the structural deformation, the variations of the gaps between th
中文: 摘要通载浮桥的动态位移，由于其位移幅度相对于固定桥要大得多，而且其垂向位移是由结构变形、间隙变化以及吃水变化等多种因素引起，一般难以对其进行动态位移测试。
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英文: The effect of initial static load on the instantaneous response makes the amplitude of vibration of horizontal and vertical displacement bigger than that without the effect.
中文: 初始静力效应对结构瞬态响应的影响与刚度、质量、阻尼等因素有关，刚度越小，质量、阻尼越大时，初始静力荷载效应对结构最大位移影响越小。
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英文: The vertical displacement and internal force of slab track structures under the loads are calculated by composite beam method and finite element method respectively in this paper, and the results are obtained by MATLAB programs, which measured up to the b
中文: 分别采用叠合梁法和有限元法，对板式轨道在荷载作用下的竖向位移和内力进行了分析，并通过MATLAB编程实现，计算结果符合无碴轨道结构的基本原理。
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