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1·The results are printed out in the form of tables and the characteristic curves are plotted by a X-Y digital plotter.

其结果以表格的形式打印输出，特性曲线用x - Y数字绘图仪绘制。

2·It has higher speed and is more accurate than software method, therefore more suitable for all kinds of digital machine and digital plotter.

它比利用软件实现的直线插补法速度快，精度高，适用于数字控制的机械加工或绘图设备。