单语范例（未经PONS编辑处理）
He has supervised 20 doctoral and postdoctoral researchers and 15 visiting professors.
en.wikipedia.org Postdoctoral research may be required for obtaining a tenure-track faculty position, especially at research-oriented institutions.
en.wikipedia.org The college consists of a residential community of 92 graduate students, postdoctoral researchers, visiting scholars and professors, and non-resident affiliated faculty and academic programming.
en.wikipedia.org The fellows may include visiting professors, postdoctoral researchers and doctoral researchers.
en.wikipedia.org It's run mainly by volunteers and a community of postgraduate and postdoctoral researchers bravely willing to put forth their findings to what could be just a bunch of inebriates.
arstechnica.co.uk