Today is the start of a two-day public hearing convened by the Institute of Medicine, which is examining whether there is still a need for invasive chimpanzee research.

自今日起，由美国医学学会举行为期两日的公众听证会，目的就是深究一下是否还有需要开展以伤害大猩猩为代价的研究。

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There are two problems that complicate the assessment, according to Mark Haggard, director of the Medical Research Council Institute for Hearing Research at Nottingham University (MRCIHR).

据诺丁翰大学听力研究所的医学研究理事会主任马克·哈格德说，致使评估变得错综复杂的有两大问题。

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Prof Dave Moore, the director of the Institute of Hearing Research in Nottingham, said the the workings of the ear were incredibly precise and constantly vibrating meaning rebuilding hairs was like trying to demolish and then rebuild a 15-storey building in the middle of a city, without damaging any of the surrounding buildings all in the middle of an earthquake.

BBC: Grown hearing-hairs 'beat' deafness in mice

Professor Mark Haggard, at the Medical Research Council's Institute of Hearing in Nottingham, said the Pittsburgh study confirms the findings of research currently underway there.

BBC: Ear examination