He hung his hat on a peg and flung himself into his seat with business-like alacrity.
他把帽子挂在钉子上，一本正经地迅速坐到座位上。
Methods The SGC7901 gastric cancer cells and dendritic cells were induced to be fused by PEG and the pure fusion cells were obtained by selective culture with the HAT/HT culture system.
方法利用聚乙二醇（PEG）诱导SGC7901胃癌细胞、树突状细胞融合，利用HAT、HT筛选培养系统对融合细胞进行筛选培养，获取纯净融合疫苗；
Methods The SGC7901 gastric cancer cells and dendritic cells were induced to be fused by PEG and the pure fusion cells were obtained by selective culture with the HAT/HT culture system.
方法利用聚乙二醇（PEG）诱导SGC7901胃癌细胞、树突状细胞融合，利用HAT、HT筛选培养系统对融合细胞进行筛选培养，获取纯净融合疫苗；
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