为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

Mechanism of the June 4, 2000 southern Sumatra, Indonesia, earthquake (MS=8.0) are estimated from teleseismic body waves......

A new patch antenna system with a metamaterial cover is presented in this paper. The impedance, radiation pattern, and d......

深入研究邓小平解放思想的系列论述发现,邓小平解放思想理论中,蕴含着一个要件体系,即解放思想的指向性、遵循性、依赖性和立场性,......