Model parameters have the important effects on three-dimensional distinct element code (3dec) modeling of the stress wave propagation and attenuation in jointed rock masses as well as other codes.
与其他数值软件一样，用三维离散元程序(3dec)模拟应力波在节理岩体中的传播和衰减时，模型参数对模拟结果有很重要的影响。
Through producing the model of delay propagation and modeling the Bayesian Net, the impact of arrival-delay on departure-delay between related flights is discussed.
通过建立延误波及模型和贝叶斯网络模型，探讨了相关航班中，进港延误和航班取消对离港延误的影响。
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