此外，还得到了严格单畴临界尺寸上下限的一个估计，以及在特殊情况下这种临界尺寸的精确结果。

In addition, we also obtained the lower and upper limits of the precise critical size of single-domain, and also its exact value in particular cases.

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建立了下限法数学规划模型，并通过非线性规划获得楔体稳定严格的下限解。

By using the idea of nonlinear programming, the lower bound limit analysis model of mathematical programming for wedge stability is established.

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