针对不同的需求，不但详细的记录了中国各个城市的经纬度，还将各省会城市单独分离出来并构建了邻接矩阵。此外还用记录本的方式将相同的数据记录下来，可以满足使用不同软件者需求。(According to different needs, not only the longitude and latitude of Chinese cities are recorded in detail, but also the provincial capitals are separated separately and adjacency matrix is constructed.In addition, the same data is recorded in a note-book, which can meet the needs of different software users.)