The article raised doubts about how effective the new drug really was.

这篇文章对这种新药的实效有多大提出了疑问。

《牛津词典》

Just how effective the policy will prove cannot yet be judged.

只是这项政策能多有效还无法判定。

youdao

I was honestly surprised by just how effective the Burrows-Wheeler algorithm was when I started empirical testing.

当我开始凭经验测试时，我实在惊奇Burrows - Wheeler算法的有效性。

youdao

A team from Massachusetts General Hospital and Sweden's Lund University studied how effective the biomarkers are as predictors.

VOA: special.2009.07.15

z So what we end up seeing is 34 that the z effective is equal to positive 1 . 3 4.

看到有效的,等于+1。

麻省理工公开课 - 化学原理课程节选

z So, this is what we find the actual z effective is for an electron in the helium atom.

所以这就是我们得到了实际有效的,对于一个氦原子的电子。

麻省理工公开课 - 化学原理课程节选

"This gives us a chance to see how effective the new standards are, " he told CNN.

CNN: 9 still hospitalized after Connecticut train collision

Here is where bankers privately express their doubts about how effective the two schemes will be.

BBC: Will Bank of England��s new lending schemes work?

This competition would become more intense and effective the more widespread HSAs and similar incentives became.

FORBES: Newt Gingrich's Entitlement Reform Plan