讨论了将相对运动和应变变化综合起来以更充分地描述地壳运动和变形的模型。
The model of crustal movement and deformation, which is depicted fully by comprehending the relative motion and strain variation, is discussed.
通过地震波的衰减规律与塑性应变变化的比较可见，能量的消耗除了几何扩展衰减外，煤岩体的塑性变形方面也起了一定的作用。
Through the comparison of seismic wave attenuation and plastic strain, except for geometrical attenuation, the plastic deformation of coal and rocks is also contributing to energy consumption.
根据总应变能理论，作者提出按管子累积蠕变变形量计算寿命损耗量。
According to the total strain energy failure theory author provides calculate formula of creep Life loss in creep deformation accumulation of steam pipe.
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