破裂方向性效应
Rupture directivity effect
变形破裂机制
mechanism of deformation and cracking
煤岩变形破裂
deformation and fracture coal or rock
Deformation and fracture of coal or rock
主震破裂形式主震断层性质
rupture mode of the main shock
(2+1)维破裂孤子方程
2+1)-dimensional breaking soliton equation