This is a promising technique that needs more research to determine its efficacy.

这种技术很有前途，不过尚需更多研究以确定其功效。

youdao

That is because such trials are concerned mainly with testing a drug’s safety, not its efficacy.

这是因为这类试验主要关注测试药物的安全性而不是药效。

youdao

The saw palmetto plant is often said to help hair growth, but there is little clinical evidence concerning its efficacy.

据传塞润榈有生发功效，但是其疗效并没有临床证据。

youdao

"They do not represent official positions or policy, and they do not,in my view, fundamentally call into question the efficacy of our current strategy in Afghanistan and its prospects for success."

VOA: standard.2010.07.30

New formulations derived from Alza's technology could increase its efficacy and help control side effects.

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They have a tribal interest in seeing it go up, regardless of its efficacy.

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The proof of its efficacy will be months away in data that track jobs, inflation and consumption.

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