以下为句子列表：
英文: Based on the conditions of compatible displacement and static force equilibrium, the finite element equations are built with the displacements of the middle surface as unknown variables.
中文: 据此，再根据地基与板间的位移协调及静力平衡条件，建立了以板的中心面位移为未知量的有限元方程。
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英文: Construct a static force analysis model by using ANSYS,so as to calculate the influence line of control internal force of all nodes,and draw a conclusion of the maximum value of control internal force of all nodes under the influence of live load and the
中文: 利用ANSYS建立全桥静力分析模型，计算各节点控制内力的影响线，得出活载作用下各节点控制内力最大值以及与其相对应其他各杆件的内力位移值，为局部节点分析提供相关数据。
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英文: In order to clarify the problem, the theoretical equation of Vande Waals force, adhesive force and electrostatic force between particles from microcosmic aspect are derived by setting up a mathematical model in thesis.
中文: 通过建立数学模型从微观的角度推导出粉尘之间各种粘结力的理论计算公式。
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