用于地形图测绘中的展点，即将用全站仪测绘后的数据导入cad中进行展点，以便于后面的工作！-For topographic mapping in the development of point soon after the use of total station mapping data into the cad in the exhibition points to the work in the back!

CAD与Excel之间进行数据相互导入导出-data change betwen CAD and Excel