The generalized slip-line theory is advanced, which develops the classical slip-line theory and can be used to solve all two-dimensional problems and axisymmetric plastic deformation problems.

提出了广义滑移线法，将经典滑移线理论拓展到能求解所有二维问题和轴对称塑性变形问题；

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And we'll make it a two-dimensional problem, because we have seen only one-dimensional problems now.

它是一个二维问题，因为我们已经发现，目前，它只是一维的。

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The theories of both two-and three-dimensional problems were developed and have been applied to the analysis of the engineering problems in the mining operations.

阐述了二维和三维空间问题，并结合具体工程实例进行了计算分析，理论值与实测结果二者相吻合。

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