Principal, Principal Researcher, California Institute of Environmental Design & Management;

加州环境设计与管理学院主持人、首席研究员；

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Researcher, once worked as the Chief Engineer and Vice-principal of China Academy of Building Research.

研究员、曾任中国建筑科学研究院总工程师、副院长。

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As the principal investigator (researcher) for that study, I believe we need to look closely at the last of these before we dismiss it.

作为该项目的首席研究员，我认为在作出最终结论之前，我们需要审视下最近的研究结果。

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Principal Researcher at Microsoft Research, Bill Buxton believes the mouse is just too valuable to dispense with.

CNN: In touch with the digital age

These cyberscammers aren't suffering from pangs of conscience, says Zulfikar Ramzam, a senior principal researcher at Symantec.

FORBES: Magazine Article

IPEC's principal researcher is Prof Brian Williams, Director of the Nursing, Midwifery and Allied Health Professionals Research Unit.

BBC: Nurse at desk