Methods: MKP 1 gene was transfected into vascular fibroblasts by the classical calcium phosphate coprecipitation technique.

方法：用磷酸钙共沉淀的方法向血管成纤维细胞转染MKP 1的基因；

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Aiming at combinatorial optimization problems, this paper carries out the following main research work based on EDA. A hybrid EDA is proposed to solve the multidimensional knapsack problems (MKP).

本文针对组合优化问题，基于分布估计算法主要开展了如下研究： 针对多维背包问题，设计了一种混合分布估计算法。

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