PythagoreanB(?)zier速端曲线(PB曲线)
抽检特性曲线OC曲线
operating characteristic curve OC curve
多项式曲线拟合
Polynomial curve fitting
multinomial curve fitting
polyfit method
二次曲线拟合
The second curve fitting
2 order polynomial fitting
second curve interpolation
quadratic curve fitting
conics fitting
二次曲线拟合法
twice curve fitting method
二阶曲线拟合
second-order curve fitting