重整化群方法是研究相变的临界现象最有力的工具，它是一种由理论求得分形维数的方法。
Renormalization group method which calculates fractal dimension theoretically is the most useful tool when we study critical phenomena of phase transition.
利用逾渗和重整化群理论初步分析了脆性岩石的临界损伤破坏行为，指示性地得出了岩石的临界破坏概率。
The paper analyzed the critical failure action and brittle rock with a penetration and reestablishment group theory. The critical failure rate of the rock was obtained.
利用逾渗和重整化群理论初步分析了脆性岩石的临界损伤破坏行为，指示性地得出了岩石的临界破坏概率。
The paper analyzed the critical failure action and brittle rock with a penetration and reestablishment group theory. The critical failure rate of the rock was obtained.
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