以下为句子列表：
英文: Abstract: A system by which the process of dynamic tension of yarn can be measured is studied.This system includes a force sensor with double holes beam structure and an electronic circuit for measuring.With the help of the system,the dynamic tension proc
中文: 文摘:研究了一种测量络纱动态张力变化过程的系统.系统中设计了一种双孔梁力传感器和简易的测量电路板.该系统能够对络纱动态张力进行定量测定并绘制张力变化曲线,对研究络纱张力变化规律,分析影响张力变化的因素以及控制络纱张力波动,实现恒张力络筒具有重要的意义.
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英文: Compared with the railway bridge and culvert design specifications, the box beam structure design and construction method are seen rational and feasible.
中文: 通过有限元分析结果与铁路桥涵设计规范的比较得出，该箱梁结构设计合理，施工方案可行。
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