PCR
noun uk/ˌpiː.siːˈɑːr/ us/ˌpiː.siːˈɑːr/
[ U ] medical, biology, chemistry specialized聚合酶链式反应（polymerase chain reaction的缩写）
abbreviation for polymerase chain reaction: a process in which a particular piece of DNA is copied many times in a laboratory (= a place where scientific tests are done) so that the DNA can be examined in detail
PCR can be used to detect HSV in the spinal fluid. 聚合酶链式反应可用于检测脑脊液中的HSV。
We've been using PCR for identification of decomposed bodies since 1986.
[ C ]聚合酶链式反应检测（polymerase chain reaction的缩写）
a test in which a sample is tested in a laboratory (= a place where scientific tests are done) by copying a particular piece of DNA many times so that the DNA can be examined in detail. PCR is an abbreviation for polymerase chain reaction.
My PCR showed I was positive for Covid-19. 我的核酸显示我对新冠呈阳性反应。
I think you should do a PCR. 我认为你应该做一个聚合酶链式反应检测。
Synonym: PCR test
Compare: LFT
- More examples
- PCR testing was done on the joint fluid.
- Twenty-four embryos were analysed by PCR.
- Brain and liver tissue extracts are used as positive PCR controls.
- The second and third PCR gave the same results.
- Occasionally, PCRs will give false results.