Any unsuccessful test needs to be rerun.

需要重新运行不成功的测试。

youdao

Third I could take more biopsies though the routine test needs only two.

第三，我可以做更多的活检，尽管常规只需要两块。

youdao

This raises the question of how many genes a test needs to look at to yield a meaningful estimate of risk.

这就提出了一个问题：究竟检测多少个基因才足以对患病风险作出有意义的估计。

youdao

For now,the test itself needs more testing.

VOA: special.2009.03.25

For instance, a fiscal instrument might replace the economic needs test, so often used to keep out immigrants whose skills are already available locally.

ECONOMIST: Managing the market

He passed a fitness test on Wednesday, but needs to wait until the morning of Thursday's second Test before being able confidently to say whether he can get through five days or not.

BBC: Jonathan Agnew column

Dr Pomfrett said he needs to test the system on 20 people with vCJD to find out whether or not it works in humans.

BBC: 'We may have a test for vCJD'