修辞的

I use this when they have colds, and i also support it with the echinacea/horehound blend.

当她们感冒时，我就给她们用这个产品。当然我也同时用紫锥花精华营养液

The row vector is obtained, and lastly the 3D reconstruction is accomplished.

该算法利用上述特性，线性地求取该行向量，最后完成3维重建。