In the process of drawing isogram the coordinates-origin method is used to control the cumulative errors of plotter and decrease them to the least.
为了控制绘图仪的累积误差，在绘制过程中，采用了坐标原点法，使累积误差减至最低限度。
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This article advances a new plan which explains the continuous path control by microcomputers. This plan has been tested on the plotter, and has achieved the desired results.
本文对用微计算机进行连续运动轨迹控制提出了一种新方案，并在绘图仪上进行了试验，取得了预期效果。
3
Practice proving, use the embed system to empolder graph plotter contain excellences, such as hardware electrocircuit design simple, function abundance, control more accurate etc.