1·Multistage pulse gas is flabby in the process of layer of terrane crustal stress fracture deflagrate inside break aeriform pressure is cracked since distributinging influence break patulous.
多级脉冲气体松弛岩层地应力压裂地层的过程中裂缝内爆燃气体压力分布影响裂缝起裂扩展。
2·The Similar Material Model is usually used to study the deformation of the terrane.
相似材料模型实验是研究地下采矿引起的岩层变形情况的重要方法。
3·The roof control design in mined field is the key to roof control and the movement rule of roof terrane is the basis of the roof control design.
采场控顶设计是顶板管理的关键因素，而顶板岩层的运动规律是采场控顶设计的依据。
4·The types of highway construction site lie on the physical geography condition and the geological condition of terrane whose basic parameters are fuzzy and uncertainty.
公路建设场地类型决定于自然地理条件和岩层的地质条件，表征这些条件的基本参数存在很大的模糊性和不确定性。
5·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。