这面积，约等于平行四边形的一半，我能用向量表示它。

So, the area is approximately equal to one half of the area of a parallelogram that I could form from these vectors.

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文章利用矩阵的行向量组和列向量组的极大无关组刻画了矩阵半群中的格林关系。

In this paper, we described the green relations on matrix semigroup through the vector maximal independent subset of matrix.

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该方法基于半模糊核聚类算法挖掘不同类别之间的衔接和离散信息，设计树型支持向量机的树型结构，克服其差错积累问题。

The method mines information on overlap between classes, designs the tree structure and overcomes the misclassification of tree-structured SVMs based on the semi-fuzzy kernel clustering algorithm.

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