我当时是在泊莱墨公园里，坐在一张有树荫遮蔽的长椅上看报纸。
I was sitting on a tree-shaded bench in Palermo Park, reading the paper.
为使速度散度保持为零，在泊松方程中给速度散度一个特殊的处理。
In order to keep the divergence of velocity being zero, a special treatment of divergence term in Poisson equation is proposed.
文章在泊松方程的基础上，提出一套实现对真实纱线边缘轮廓提取的算法。
Based on Poisson's equation, the paper brings out an arithmetic to realize the edge outlining of fancy yarns.
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