GIS，中国矢量地图，1:400万地图

[{"title":"（ 101 个子文件 32.22MB ） GIS，中国矢量地图，1:400万地图","children":[{"title":"River5_polyline.shp <span style='color:#111;'> 4.02MB </span>","children":null,"spread":false},{"title":"River5_polyline.dbf <span style='color:#111;'> 545.29KB </span>","children":null,"spread":false},{"title":"River5_polyline.prj <span style='color:#111;'> 145B </span>","children":null,"spread":false},{"title":"uu.sdb <span style='color:#111;'> 8.08MB </span>","children":null,"spread":false},{"title":"River5_polyline.shx <span style='color:#111;'> 23.28KB </span>","children":null,"spread":false},{"title":"......","children":null,"spread":false},{"title":"<span style='color:steelblue;'>文件过多，未全部展示</span>","children":null,"spread":false}],"spread":true}]