基于excelvba的水准测量平差系统，可以平差附和水准路线，闭合及支水准路线(The leveling adjustment system based on ExcelVBA can adjust the level, echo level, close and support level)

一个数据库管理系统，可以实现学生老师管理员的各种操作，用MySQL实现(A database management system can realize all kinds of operations of student teacher administrator, which is implemented by MySQL.)