光标的坐标显示在竖轴和横轴的旁边。
The coordinates of the cursor are shown next to the vertical and horizontal axes.
并行处理任务能力：在绘制过程中可以同时完成坐标显示、线段绘制中途暂停、加工速度、加工时间显示、可以在线升级程序。
Parallel processing capacity: during the plotting process can also support coordinate performance, pause, and also the performance of operating speed and time, also supporting online updating.
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