Delphi 多点曲线光滑拟和，实现1次多项式最小二乘、2次多项式最小二乘，最终显示实验值、a+bx+cx^2拟合、ae^(b/x)拟合值，以控制台窗口方式显示出运算结果。-Delphi more smooth curve fitting, the realization of 1 polynomial least squares, 2 polynomial least squares, the final show experimental values, a+bx+cx^2 fitting,