At last, the paper analyzes the calculation of the shallow cover load part, and states the mechanic concept of rock dynamic properties of the NATM.
最后分析了浅埋段荷载的计算，阐述了新奥法的岩体动态性质的力学概念。
To identify all the model parameters for the whole system, the system model is divided into two parts: hydraulic model part and mechanical load part.
为了辨识整个系统的模型参数，将系统模型分为液压驱动模型部分和机械负载模型部分。
To identify all the model parameters for the whole system, the system model is divided into two parts: hydraulic model part and mechanical load part.
为了辨识整个系统的模型参数，将系统模型分为液压驱动模型部分和机械负载模型部分。
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