共用数据库 meaning in English
common data base
shared database
Examples
- World trade in agricultural , fisheries and forestry products totals some $ 480 billion annually ( average 2000 - 2002 , faostat )
农业、渔业、林业产品的世界贸易总额每年约为4800亿美元（按2000 - 2002年平均, faostat ?粮农组织实质统计数据共用数据库） 。 - 5 by using multi - window programming technology to combine vc + + with autocad , this thesis implemented comparison of plane , profile and across section , interactive design of profile , railway location by across section and setting location of bridge and tunnel . 6 this thesis expounded itself viewpoint on application model of profile optimization in scrlid , and has been used in system development . 7 by putting forward the summaries on the application model of professional design , this thesis established mathematics model of calculating terrain height of profile and across section , automatic setting location of the bridge and the tunnel
2 、用面向对象的数据封装和继承技术实现了项目管理和方案数据的安全保护； 3 、选择应用vc + + dao数据库应用技术，完成了方案比选共用数据库的开发； 4 、用autocadobjectarx定制实体技术，实现了线路平面拖放式交互设计； 5 、用vc + +与autocad相结合的多窗口编程技术，实现了平面、纵断面、横断面三种图形的对比显示，实现了纵断面交互设计、横断面定线和桥隧工程设置； 6 、就纵断面优化在线路方案比选工作中的应用模式提出了自己的观点，并在系统开发中得到应用； 7 、总结专业设计应用模式，建立了内插纵横断面地面高程、自动设桥、自动设隧数学模型。