In conclusion , the research of this thesis indicate that the behavior of crack with a arc - tip is the same as that of a spiculate crack , but its load of fracture initiation is higher than the latter 总之，本文的研究结果表明，裂尖宽度为0 . 12mm的非尖锐裂纹的断裂行为与尖锐裂纹基本相同，但起裂载荷较高。
2.
The meanings , the characteristic and the macroscopical economy effect of the finance risk are analyzed . if the finance risk cannot be solved in good time , the conflict will be increasingly spiculate , which maybe leads to serious result to the economic development in our country 本文首先阐述了一般风险理论，分析了财政风险的含义、特征及其宏观经济效应，并指出如果财政风险不能及时化解，矛盾日益尖锐，将有可能给我国社会经济发展造成严重后果。
