说明：  这个程序可以实现对鼠标点击处的axes曲线做方框形的放大，可以利用 = ， ， < , > 调整放大倍数和放大的方框大小
(This process can be achieved on the mouse to click the Office to do the box-shaped curve axes of amplification, can be used to adjust magnification' =' ,' ' ,' < ' ,' > ' and enlarge the size of the box)