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GPS卫星定位源码VB
- GPS卫星定位源码VB,先进的定位系统
ZJDraw
- 用VB实现交互式CAD系统,能够绘制简单图形,如直线段,矩形,圆形等;绘制独立符号,如GPS点,水准点等;绘制线状符号,如陡坎,城墙等。-With VB interactive CAD system, able to draw simple graphics, such as line segments, rectangles, circles, etc. draw independent symbols, such as GPS points, level points drawn lin