linear extraction

例句：

1. 1. In the study of machine learning, linear extraction is a crucial technique for data preprocessing.
   在机器学习研究中，线性提取是数据预处理的关键技术。
2. 2.The algorithm used in this linear extraction process is highly efficient and can significantly reduce processing time.
   用于此线性提取过程的算法非常高效，可以显著减少处理时间。
3. 3.The researchers conducted a series of experiments to test the effectiveness of their linear extraction method on various datasets.
   研究人员进行了一系列的实验，以测试他们线性提取方法对各种数据集的有效性。