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PCR nrhiav qhov system

Ib daim ntawv teev npe ntawm PCR cov kab ke tshawb xyuas cov kab ke no ua rau nws yooj yim rau koj kom nkag mus sai sai rau cov ntaub ntawv tseem ceeb. Peb tau npaj cov kev tshaj lij PCR tshawb xyuas cov kab ke hauv qab no , vam tias yuav pab daws koj cov lus nug thiab nkag siab zoo dua cov ntaub ntawv khoom lag luam uas koj nyiam.