Interdependence is seen as a fundamental feature of the modem international system.Interdependence also refers to the in......

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......

【Abstract】This paper is about the cooperative learning as a teaching method in a second language learning class. It ma......