You can create such a plotter by using Draw2D figures that represent a point and a line.
通过使用表示一个点和一条线的Draw2D图形，您应该能够创建这样一个坐标图。
2
After the subroutine parameter is given the origin number, the plotter controlled by computer can draw out automatically extension line, dimension line, arrowhead and write dimension figures.
当给子程序的参数赋以初值后，由计算机控制自动绘图机绘制出尺寸界线、尺寸线、箭头和注写尺寸数字。
3
Bilayer electrostalic field plotter is transformed into monolayer electrostalic field plotter. Elec tricpole is transformed from surface contact into line contact.