The results show that the medium term symptoms of strong earthquakes in some regions can be proposed from the multi fractal dimension spectrum and singularity spectrum of earthquake distribution.
研究结果表明：地震分布的多重分形维数谱和奇异性谱对于一些典型震区的强震发生具有中期预报价值。
Medium-strong earthquake distribution in space and time is characterized by network and layer.
中强以上地震在时空分布上具有明显的网络性和层次性。
The distortional character of crust and mantle medium is judged by relaxation number, the dynamic reason is given to interpreting the strong earthquake activity te.
通过松弛数判断壳幔介质的变形属性，给出印缅板块强震活动趋势的动力学解释。
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