贵刊去年15期刊登了一篇读者来信“世界地图啊，你叫我好为难好困惑”，对世界地图中的一些数据提出了疑问。实际上许多变化的数据正反映了世界的自然变迁和国际政治形势的演变。导致领土面积发生改变的，首先是自然原因。一个国家的领土面积实际上指的是其陆地面积，而地球上 Last year, your magazine published a letter from a reader entitled “World Map, You Call Me Hard and Confused,” questioning some of the data in the world map. In fact, many changing data are reflecting the natural changes in the world and the evolution of the international political situation. The first is a natural one, which led to the change of the area of ​​the territory. The territorial area of ​​a country actually refers to its land area, while on Earth