该文以“兖州矿务局兴隆庄煤矿煤质管理系统”为实例,介绍在系统设计中遇到 并解决的一些实际问题:有效实现选煤品种的灵活排序,在ACCESS数据库中调 用 EXCEL实现可选性曲线的绘制等.“,”This thesis takes the Xinglongzhuang Mine coal mineral quality MIS for example, introduces some practical problems in the course of system design such as how t