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应用奇异函数求出环板在边缘弯矩和局部均布、线性分布荷载共同作用下的极限荷载的计算公式，并可画出极限荷载的影响曲线。
The singular function is used to calculate the ultimate load of the ring plate under the action of the edge moment, the local uniform distribution and the linear distributed load, and the influence curve of the ultimate load can be drawn.