责任编辑/郭天虹北极的中心是大洋,周边是陆地。虽然这些陆地荒凉遥远,几乎是不毛之地,但在战略意义上却是至关重要的。第二次世界大战期间,西方的援助物资有相当大一部分是通过北冰洋源源不断地运进苏联的。但是,大战结束后的冷战期间,北冰洋又变成了美苏对抗的最前线。为了监 Editor: Guo Tianhong’s Arctic center is the ocean and the surrounding area is land. Although these terrestrial lands are far-away and almost barren, they are strategically important. During the Second World War, a large part of the aid materials of the West was continuously transported into the Soviet Union through the Arctic Ocean. However, during the Cold War after the end of the war, the Arctic Ocean became the front line of confrontation between the United States and the Soviet Union. To monitor