Clean screen method: first, to repeatedly clean the screen, not once twice the trouble.

清洁屏幕方法: 首先, 屏幕要反复清洁, 不是一遍两遍就了事.

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A new screen method was developed based on the analysis of the nisin production strain's genes.

根据乳链菌肽产生菌的基因分析,发展了一种新的筛选方法.

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