They do that in a very special way in that they - restriction enzymes are able to identify a particular sequence of bases in a gene.

限制性内切酶的工作机制很特别,它能识别基因中的一段特定的碱基序列

耶鲁公开课 - 生物医学工程探索课程节选

Can you identify any chords in this particular piece?"

你能识别出这一段的几个和弦吗

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If the immune system recognizes only small pieces of the virus and mounts an immune response to that, how about if I just take these pieces of a virus like some structural subunit, some piece of protein and use that as a vaccine?

如果免疫系统识别出病毒的一小段,就可以诱发起免疫应答,那么如果我仅用一小部分病毒,比如一些结构性亚基 一些蛋白质的片段,来作为疫苗的话,会如何呢

耶鲁公开课 - 生物医学工程探索课程节选

You can also use PCR to identify specific genes that are present in a biological sample.

你也可以利用PCR技术去识别,一个生物样本中的某段特定基因

耶鲁公开课 - 生物医学工程探索课程节选