转型中的客家宗族研究 大学生本科毕业论文格式范文_历史学论文_历史学专业论文范文_论文格式 关键词 :客家宗族,钟氏,社会转型 [gap=1098]Key words: Hakka’s Clan, the Zhong , Social Transformation
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等她的脚好起来,她就要步行到钟氏坡去了。
基纳说,在理想环境下,沙门氏菌每20分钟复制。
"Salmonella doubles every 20 minutes under ideal conditions," Keener said.
五分钟后,等离子火炬杀死了皮氏培养皿中99%的细菌,而十分钟后,它杀死了老鼠伤口上90%的细菌。
After five minutes, the plasma torch killed 99 percent of bacteria grown in a Petri dish, and after ten minutes, it killed 90 percent of bacteria present in the wounds of a rats.
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