A high efficient direct integration method is proposed for evaluating the variation effect of nonlinear numerical simulation results of geomechanics subject to multi-random parameters.

提出了一种用于评估多参数随机变异情况下岩土力学非线性数值模拟结果可靠性的多维高效直接积分型随机分析方法。

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For land grading and evaluating, training and learning method is adopted and the integration of them implemented.

系统采用决策树方法作为数据挖掘方法的基本算法，采用训练与学习相结合实现土地定级估价。

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