For example, it may require a PCR test 24 hours before travel.

例如，旅行前24小时可能需要进行PCR检测。

Finally, viral DNA can be identified with PCR.

最后，PCR可以检测出病毒DNA。

Shanghai launched its first-ever citywide PCR testing.

上海首次启动全市核酸检测。

I just got a nose and a throat PCR test.

我刚刚做了个鼻咽拭子。

She says Biden tested negative Tuesday via a PCR test.

她表示，拜登星期二的核酸检测呈阴性。

The RT-PCR tests are currently slowing laboratories to a crawl.

RT-PCR检测已经妨碍了实验室的工作进展。

On diagnostics having the ability to give 10 million PCR tests a day.

在诊断时，我们得拥有每天进行千万次核酸检测的能力。

The first test I got was a PCR test which stands for Polymerase Chain Reaction.

我做的第个测试是PCR测试，它就是聚合酶链反应。

It's a 10th as expensive as PCR, it's absolutely as accurate, and it's simple.

与 PCR 测试相比成本只有其十之，结果样准确，而且用起来十。

Those entering the country are required to take PCR tests, a special kind of medical test.

所有自境外入境埃及的人员必须接受PCR检测，这是种特殊的医学检测。

Shanghai initiated " grid screening" to conduct PCR testing at " key areas" block by block.

上海启动“网格化筛查”，逐块对“重点区域”进行核酸检测。

People using public transportation are required to show a negative PCR test report from within 72 hours.

乘坐公共交通工具须持 72 小时内核酸检测阴性报告。

Scientists then apply the polymerase chain reaction or PCR, which uses artificial DNA strands called universal primers.

接着科学家们应用聚合酶链式反应，简称 PCR，使用种被称为通用引物的人工合成 DNA 链。

Polymerase chain reaction, or PCR, might be used to find Specific causes like HIV, enterovirus, HSV, or tuberculosis.

聚合酶链式反应，或PCR，可能被用来筛查出特定病因，比如HIV、肠道病毒、HSV、肺结核病毒等。

Those leaving Sanya are required to have five negative PCR test results in seven days.

离开三亚的人需要在七天内得到五个阴性的核酸测试结果。

The expiry date of a PCR code is marked on the page.

聚合酶链反应二维码的到期日期标记在页面上。

Diagnosis is done with ELISA, by visualizing the bacteria under darkfield microscopy, or with PCR to detect bacterial DNA.

诊断式包括ELISA、暗视野显微镜显像或者PCR检测细菌DNA。

Mullis had helped develop pcr in the 1980s; in 1993 he shared a Nobel prize.

穆利斯在20世纪80代帮助开发了聚合酶链反应技术; 1993，他和伙伴共同获得了诺贝尔奖。

Antigen tests require higher levels of virus than RT-PCR to return a positive result.

抗原检测反馈阳性检测结果所需的病毒水平高于RT-PCR检测所需的病毒水平。

More commonly, blood test for varicella zoster antibodies or PCR can be done to look for viral DNA.

更常见的是，通过验血找到水痘带状疱疹抗体或PCR检测病毒DNA诊断。