Seismicity patterns have multi-level-nested self-similarity structure both temporally and spatially.
地震活动图象无论在时间上还是在空间上都具有层层嵌套的自相似结构。
In the southeast coastal region of China, seismicity is of high frequency, and fracture structure is abundantly existent.
中国东部，相对来说东南沿海地区的地震活动较为频繁，断裂构造也十分发育。
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