本文阐述了PCR(基因扩增)技术的原理、基本操作方法，及其在兽医生物制品疫苗污染病毒检测中的应用。
This article expounds the principle of PCR technique, main methods of operations and its application to testing for virus pollution causing by veterinarian biological product.
粪便中和被粪便污染的饮用水中，含有多种肠道传染病和寄生虫病的病原体，包括致病的病毒和虫卵，严重威胁农民的身体健康。
The excrement and the excrement polluted water carry a lot of pathogens of them including the diseaseful virus and worm eggs which threaten seriously the health of the habitants.
看看《英国医学杂志》，它曾在9月23日刊登过文章，讲的是一个16岁年轻人在喝了被污染的绿茶后感染病毒的事儿。
Just ask the British Medical Journal, which published an article on Sept 23 about a 16-year-old who contracted a virus after drinking contaminated green tea.
看看《英国医学杂志》，它曾在9月23日刊登过文章，讲的是一个16岁年轻人在喝了被污染的绿茶后感染病毒的事儿。
Just ask the British Medical Journal, which published an article on Sept 23 about a 16-year-old who contracted a virus after drinking contaminated green tea.
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