说明：  支持向量机学习算法，是非常有用的支持向量机学习算法，是非常有用的支持向量机学习算法，是非常有用的支持向量机学习算法，是非常有用的
(Support vector machine learning algorithm, it is very useful to support vector machine learning algorithm, it is very useful to support vector machine learning algorithm, it is very useful to support vector machine learning algorithm, it is very useful to)