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。
The fractal dimension of the microseismic activity before and after adjusting the distribution of working face in Jiulongpen region of Mentougou mine is analyzed.
《钱龙旗舰》一定会带给你众里寻她千百度的惊喜，一定会让你体会到“龙行天下震四海”的威力！
"Longsheng flagship" will bring you many thousands of degrees in search of her surprise, we will let you feel the "shock the world Sihai Dragon," the power!
龙震企业有限公司创立于1977年，销售汽车零件的专业制造供应商。
Founded in 1977, Lung Jeng Enterprise Co., Ltd. is a veteran specialist in developing and making automotive brake parts.
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