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应用重整化群方法对一维、二维和三维震源体的破裂问题进行了研究。得到了一维、二维和三维震源体破裂的临界概率值分别为0.2063、0．1707和0．1599，相关长度指数分别为1．4388、0．8084和0．5757。进而由此揭示了临界概率和相关长度指数随维数增大而减小的变化规律。
The problems of rupture of one-dimensional, two-dimensional and three-dimensional seismic sources are studied by the renormalization group method. The critical probability values of one-dimensional, two-dimensional and three-dimensional seismic source body rupture are 0.2063,0.1707 and 0.1599 respectively, and the correlation length indices are 1.4388, 0.8084 and 0.5757 respectively. Then the variation rule of critical probability and correlation length index decreasing with the increase of dimension is revealed.