subpattern造句

例句与造句

1. Pca & flda ) , knowledge - based methods and neural - networks based methods , etc . in this thesis two novel classes of feature extraction methods are proposed , i . e . matrix - pattern - based and vector subpattern - based representation methods respectively
   在本文中，我们在pca和flda方法的基础上提出了两类特征提取新方法，即基于矩阵模式和基于子向量的特征提取方法，并随后用于模式的分类。
2. It's difficult to find subpattern in a sentence. 用subpattern造句挺难的