天下大势，合久必分，分久必合。今天的“合”，就是超越国家的狭隘、利益差异，建立以合作共赢为核心的新型国际关系。共建人粪命运共同体......

Three global metallogenic belts were formed in the world during Mesozoic and post-Mesozoic times. Two of them are situat......

The linkage between the Arctic and midlatitudes has received much attention recently due to the rapidly changing climate......