They also carry out research work aimed at extending man's knowledge of these subjects.

他们还开展旨在扩充人类对这些学科知识的研究工作。

youdao

They can go beneath the ice, and then to hibernate as the ices closes in, until we need them to carry out their research in unreachable areas.

它们能潜入冰层下面，然后结冰时就进入冬眠，直到我们需要它们在无法到达的地方进行研究。

youdao

They come to the university to provide us with blood samples to be interviewed and to help us to carry out a whole range of research.

他们来到大学，给我们提供采访所需的血样，帮助我们开展一系列的研究。

youdao

They must teach, carry out research and publish their findings.

VOA: special.2009.04.09

They also exist to carry out research and, equally importantly, flag up emerging issues that the wider commercial community needs to be paying attention to.

CNN: Balancing faith and business

The society has told officials that if they were to request consent from relatives to carry out research it would compromise their neutrality and breach the trust they have built up with the public.

BBC: Coroners 'reject plea over vCJD'

They are able to make drugs at a fraction of the original manufacturer's cost because they don't carry out the expensive research and development.

NPR: Drug Maker Novartis Loses India Patent Battle