At first it sets up objective function on the basis of the deflection difference of the single working and updates the elastic modulus and geometric parameter of the model.

在前述方法的基础上，提出了拱桥承载力的评定方法，即先利用单荷载工况建立基于挠度残差值的目标函数，修正模型的弹性模量和几何参数。

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This paper analyses the beam load and deflection and also proposes the calculating method to work out the technology parameter.

通过对主梁的受力、挠度进行分析，为制订预应力张拉修复桥式起重机主梁下挠工艺参数提供了设计计算方法。

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In this paper, the physical base of the mean square deflection method extracting information of multi-parameter earthquake precursors has been studied.

本文研究了提取多参数无量纲地震前兆信息的均方差方法的物理基础。

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