approximating spline

• 逼近样条函数

approximating spline的用法和样例：

例句

1. The strain contours are plotted by using tensile spline approximation.
   用张力样条函数绘制了它们的等值线图。
2. The mathematical theory and merit of tension spline function in rainfall isoline smoothing were also introduced.
   介绍了张力样条函数的数学原理及其在等值线光滑应用上的优点。