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基于平面弹性理论，用两个任意函数表示双层复合材料杆的应力。运用最小余能原理，求得了双层复合材料杆温度应力的封闭解。
Based on the plane elastic theory, two arbitrary functions are used to represent the stress of a double-layer composite rod. Using the principle of minimum residual energy, a closed solution of the temperature stress of the double-layer composite rod was obtained.