For fracture rock, the fracture stress will be reduced and the crack length will increase under the chemical corrosion.
对于裂隙岩体来说，化学溶液的腐蚀则主要体现在断裂应力的减小和裂隙的增大。
Then, the paper presents the develop trend about the comprehensive estimation of fracture rock, study on dynamic model and numerical modelling, and combining the theory with practice.
在其基础上对节理岩体的质量综合评价、力学模型的研究、数值模拟的研究、理论与试验相结合等方面的发展趋势提出了几点看法。
Other mountains may be raised by earthquakes, which fracture the Earth's crust and can displace enough rock to produce block mountains.
另一些山脉可能是由地震引起的，地震使地壳断裂，并移动足够的岩石，从而形成块状山脉。
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