本文在这两种方法的基础上提出用样条函数拟合纸上定线中的离散点，并给出公式推导和示例。
On the basis of these, this paper uses mode function to imitate the disperse dots, and give formulas and examples.
在实验数据基础上，利用三次样条插值构造了发动机转矩和油耗数学模型，确定了最佳经济性与最佳动力性工作线。
Based on experimental data of engine, torque and oil consumption model of engine are established by method of spline interpolation. The optimum economy and power operation line of engine is obtained.
应用推荐