Through maximalizing the margin, we can obtain the optimal projection vector, and avoid the small sample size problem due to singularity of the within-class scatter.

通过极大化该边界获得最优投影向量，同时避免因类内离散度矩阵奇异导致的小样本问题。

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High strain rate will occur at the tip of a growing crack, whether quasi-static or dynamic growth, due to the existence of strain singularity.

在扩展裂纹尖端，无论是准静态扩展还是动态扩展，由于应变奇异性的存在，出现较高的应变速率。

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