精炼而通俗的介绍了GIS，GPS，RS；3S技术的基本内容和发展概况，阐述了三者之间的应用前景和领域！-refining and popular introduction to the GIS, GPS, RS; 3S technology and the basic content development profiles, elaborated between the three prospects and the application fields!

平面图形控件，可以创建和编辑矢量图形以及便捷的显示操作。文字和尺寸标注；元素属性设置；长度、角度、面积的查询；DXF,dwg输出；提供交换文件和二次开发接口。适用于CAD/CAM/GIS/GPS等相关图形软件开发。-graphic controls, you can create and edit vector graphics display and convenient operation. Text and dimensioning; Elements attribute set; The

基于手机短信和gps、gis的车辆定位调度系统 使用了灵图的地图模块，长征卫导的定位系统-cell phone-based text messaging and a GPS, vehicle location and gis scheduling system uses a map of Hope map module, the long march Wei Positioning System Introduction