And it is suitable to analyze dam crack propagating with fracture mechanics methods.
对坝体裂缝扩展的分析计算，用断裂力学的理论和方法较为适宜。
The Physical nature that the fatigue crack propagating rate is slowed down in the Porosity area was expounded using the energy viewpoint.
用能量观点阐明了缩松区延缓疲劳裂纹扩展的物理本质。
The semi-infinite crack propagating in infinite region with the fiber bridging traction action is equal to the semi-infinite crack propagating in strip.
受桥联纤维力作用的半无限长裂纹在无限域中扩展等效于半无限长裂纹在带域中扩展。
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