The fractal dimension of the microseismicactivity before and after adjusting the distribution of working face in Jiulongpen region of Mentougou mine is analyzed.
本文对门头沟煤矿九龙盆地区人工开采活动调整前后的微震活动的分维结构变化进行了分析。
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The testing observations indicate that such a recorder is a kind of useful instrument for microseismic observation, for observation of ground acoustics and for study present fault activity.