拟合曲线算法，很有效的工具，可以节省使用时间-Curve fitting algorithm, a very effective tool, you can use to save time

趋势图曲线控件，提供曲线拟合等功能，绘制纵横坐标，零点，可用于科学计算或仪器控制用户界面中。-Trend curve control, providing features such as curve fitting, draw vertical and horizontal coordinates, 0:00, can be used for scientific computing or instrument control user interface.