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分别根据夹层板的Ｒｅｉｓｓｎｅｒ理论和Ｈｏｆ理论，推导出表层为正交各向异性材料夹层板的弯曲平衡微分方程，方程中包括ψｘ、ψｙ、ｗ三个广义位移．
According to the Reissner theory and Hof theory of the sandwich plate, the bending equilibrium differential equations of the sandwich plate with orthotropic surface are deduced. The equations include three general displacements ψx, ψy and w.