超图的文件的导入与导出VB开发程序的应用,对地理信息系统开发有益-Hypergraph document import and export VB application development process for the development of useful geographic information systems
SQL创建表,可以直接拷贝使用该例子只是实现一个简单的功能,其他的大家补充-SQL create table, you can directly copy the use of the example is only the realization of a simple function to add other U.S.