Before you start to dig your Dakota fire hole you should scout out an area where soil conditions are conducive to its proper construction. You will want to avoid areas.

在你开始挖掘达科他火坑之前，你应该先考察下你的营地，看土壤条件是否有利于你的挖掘。

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By using ANN and its powerful nonlinear mapping ability and combining production of FEM dynamic analysis, a new way to predicting terrane crack depth of complex fire hole is offered.

以神经网络为基本工具，利用其强大的非线性映射能力，并结合有限元法动力分析成果，为预测在复合射孔条件下岩层裂缝扩展深度提供了一条新的途径。

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