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机译:具有两个对称预制缺口的聚甲基丙烯酸甲酯的动态断裂特性
School of Mechanics and Architecture Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China;
State Key Laboratory for Geomechanics and Deep Underground Engineering, Beijing 100083, China;
School of Mechanics and Architecture Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China;
caustics; dynamic fracture; crack propagation; distinct lattice spring model;