spline approximation

基本解释

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。
The criterion of selecting node location in data set using the spline approximation with variable nodes is introduced, as the criterion is to make the error least.
首先给出可变结点的样条逼近中数据集合结点位置的选取准则，是使逼近的误差最小；
The author introduced the spline approximation techniques to the numerical simulation of petroleum fractions, which are known as the so called "continua" mixtures of "infinite" number of components.
作者初步研究了将样条函数引用于逼近石油馏份，即所谓由“连续”组份构成的“复杂”物系。