data.tar.gz

As for .csv files, the first column is the index of the point, the last three columns are the nearest points, and the medium columns are multiple attributes.<br>Regarding .shp files, they contain geographic coordinates information.

针对.csv格式文件，其第一列为数据点的索引，最后三列为邻近点信息，中间列涵盖多项属性；对于.shp格式文件，其包含地理坐标相关信息。