基于vb＋MO的土地管理地理信息系统全部源代码！-Vb + MO-based land management geographic information systems are all the source code!

对外贸易管理信息系统 vb环境开发 自带数据库文件 用自带的原码直接生成数据库文件.-foreign trade management information system development environment vb own database files with its own code of the original production database files directly.