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......

The Aptian–Albian series are characterized, in Tunisia, by several variations in subsidence rates and records discrete ......

The observed global mean temperature is the highest on record for the past decade but has plateaued to form an apparent......