短語詞組短語cubic interpolation polynomial 三次插值多項式cubic trigonometric polynomial curve 三次三角多項式曲線cubic -polynomial fitting 三次多項式擬郃法cubic rational polynomial 三次有理多項式cubic trigonometric polynomial spline curve 三次三角多項式樣條曲線cubic polynomial function 三次多項式函數(shù)cubic polynomial interpolation method 三次多項式插值法Perfect Cubic Polynomial 完全立方多項式 返回 cubic polynomial