| 单词 | polymerase chain reaction |
| 释义 | polymerase chain reaction【化】 聚合酶链反应 polymerase chain reaction polymerase chain reaction n.Abbr. PCR（名词）缩写 PCRA technique for amplifying DNA sequences in vitro by separating the DNA into two strands and incubating it with oligonucleotide primers and DNA polymerase. It can amplify a specific sequence of DNA by as many as one billion times and is important in biotechnology, forensics, medicine, and genetic research.聚合酶链反应：增强生物体外脱氧核糖核酸序列的技术，将脱氧核糖核酸分隔成两条链并用低核苷酸引物和脱氧核糖核酸聚合酶培养脱氧核糖核酸。聚合酶链反应能增强十亿次特定脱氧核糖核酸序列，在生物工程学、辩论学、医药学和遗传研究中十分重要 |
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