FDA can ask for the proof of safety and effectiveness of a product if its distributors challenge FDA's authority.

如果经销商对FDA的权威提出质疑，FDA可以要求他们提供产品安全性和有效性的证明。

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Verify the application and effectiveness of monthly deworming for all dogs in the control of Echinococcus granulosus infection.

验证每月除虫对所有犬粒棘球绦虫感染控制的应用及效果。

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Women have made important discoveries about the human body and improved their country's effectiveness in fighting wars.

VOA: special.2009.05.13

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

The quality and effectiveness of single vaccines in protecting individuals from measles is unknown.

BBC: Vaccination in Swansea

That would mean clear evidence about Vytorin's safety and effectiveness might never be obtained.

FORBES: Magazine Article

Although some might swear by these remedies, scientific evidence of their safety and effectiveness is lacking.

CNN: Menopause