Sound attenuation directly determines sound propagation distance in seafloor sediments.Moreover,by studying the attenuat......

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总结了依据地层基准面原理进行开发调整阶段储层精细对比和油藏精细描述的方法.以湖泛面为层序界面,在濮城油田沙三中6-10油藏内识......

城乡用地是指人们生活、进行生产活动的主要场所，其特点是相对聚集、面状分布，在形态上区别于交通、水利、军事等线状或比较独立分布......

The influence of dose variation due to heterogeneities in narrow photon beams used in stereotactic radiosurgery has been......

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Field work conducted in September 1998 and Summer 1999 aimed to reassess the ophiolitic segment of the Yarlung Zangbo su......