中文说明：此算法是著名的流行学习算法，可以用于数据特征的提取，维数约减等操作。
English Description：
This algorithm is a famous popular learning algorithm, which can be used for data feature extraction, dimension reduction and other operations.
Algorithm is a famous popular learning algorithm
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中文说明：此算法是著名的流行学习算法，可以用于数据特征的提取，维数约减等操作。
English Description：
This algorithm is a famous popular learning algorithm, which can be used for data feature extraction, dimension reduction and other operations.