A geometry based mathematical model is established for the calculation of reliability index by use of the fuzzy random reliability theory for slope stability analysis.

将模糊随机可靠度理论应用于边坡的稳定分析，建立了基于几何法计算广义可靠指标的数学模型。

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On the basis of the model theoretical analysis and mathematical calculation are carried out.

在此模型的基础上进行了理论分析和数学计算。

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Based on the wear law and reliability theory of the thrust bearing, the mathematical model of reliability life calculation on the wear of the thrust bearing is derived.

根据推力轴承磨损规律和可靠性理论，导出了推力轴承磨损的可靠寿命计算的数学模型。

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