Describing rock fracture as a non-equilibrium process in which micro-cracks nucleate, grow and propagate, a set of differential equation describing this evolution process is derived.
认为岩石断裂是岩石内部微裂缝成核、形成和传播的非平衡过程，导出了描述这个过程的微分方程。
2
Tom Cleverley looks set for an extended spell on the sidelines with a possible fracture in his foot.
克莱维利看上去要休息很长时间了，因为他的脚有可能骨折。
3
Two dynamic ice force functions were separately set up for the two modes of two-time fracture process in this paper.