Function plotter is an excellent mathematics tool for all senior and junior middle school or college students and teachers to draw graph which related to the function expression they inputed.

函数绘图器是一个出色的函数绘图工具，只要输入相应的任意函数表达式，即可获得该函数表达式的相应二维图像，可以供初级，高级中学以及大学的老师和学生教学和学习使用。

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Practice proving, use the embed system to empolder graph plotter contain excellences, such as hardware electrocircuit design simple, function abundance, control more accurate etc.

实践证明，使用嵌入式系统开发绘图机具有硬件电路设计简单，功能丰富，控制更精确等优点。

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To improve the function of foe plotter can make seismic acquisition quality up to a new level.

改进记录仪功能，充分发挥其效能，使地震采集更上一个新台阶。

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