Reddy said he wanted to make surprise inspections to check the effectiveness of such policies as drought alleviation and unemployment.

VOA: standard.2009.09.03

Then, they did preliminary studies of safety and effectiveness in people.

接着,研究人员对疫苗在人体中的,安全性和有效性进行初步研究

耶鲁公开课 - 生物医学工程探索课程节选

Yeah,yeah. And I think in addtion there seems to be other questions aboout our own military effectiveness.

是的，而且我们的军事效力也出现了一些问题。

普林斯顿公开课 - 国际座谈会课程节选

They lost everything they had but the clothes on their back." Wilson says these men demonstrated their loyalty and their effectiveness as fighters.

VOA: standard.2009.11.04

She and her colleagues have just completed a review of 11 medical studies that measured the effectiveness of advance provision of emergency contraception.

VOA: standard.2010.03.22

"Moreover,the insights provided by our role in supervising a range of banks, including community banks significantly increases our effectiveness in making monetary policy and fostering financial stability."

VOA: standard.2010.03.17

He says the threat of terrorism cannot be completely eliminated but the dual strategy of decapitating the leadership and confronting its ideology will limit its effectiveness in the future.

VOA: standard.2009.09.21

But groups say they are pessimistic about the effectiveness of reforms, that include adoption of a human rights charter and the setting up of a rights commission to oversee issues of abuses in Southeast Asia.

VOA: standard.2009.10.09

We must seek rapid growth of Afghan national security forces, and that is the army and the police, and we must improve their effectiveness and our own through closer partnering, and this means we must plan together, live together, operate together and take advantage of each other's strengths as we move forward,".

VOA: standard.2009.10.01