orthogonal polynomial regression

例句：

1. 1.The orthogonal polynomial regression method is widely used in engineering and science.
   正交多项式回归方法在工程和科学中被广泛使用。
2. 2. In this study, we used the orthogonal polynomial regression to model the relationship between temperature and humidity.
   在本研究中，我们使用正交多项式回归模型来拟合温度和湿度之间的关系。
3. 3.The orthogonal polynomial regression method can effectively reduce the number of parameters and improve the accuracy of the model.
   正交多项式回归方法可以有效地减少参数数量并提高模型的准确性。