But it was only when a visiting scientist arranged for tests to be carried out at a German laboratory that the true nature of their plight became clear.

后来，来访的科学家们利用德国的实验室进行了一系列检测，真相才被揭露出来。

youdao

During the summer of 2010, Yaser was a visiting scientist at the University of Helsinki in Finland where he conducted field studies in leading it and telecommunication companies.

2010年夏天Yaser作为访问学者前往芬兰赫尔辛基大学，主持了在领先的IT和电信公司内的实地研究。

youdao

Computer geek Leonardo Bonanni PhD, came upon this problem as a Visiting Scientist at MITs Media Lab, and decided the way best way foster true transparency was to map out product supply chains, one product and company at a time.

FORBES: Mapping the Journey from Farm to Fork: Sourcemap

In November 2010 North Korea revealed a modern uranium enrichment facility equipped with more than 1, 000 centrifuges to a visiting top US scientist.

BBC: North Korea firing: Why now?

"There are loads of ideas floating around, and they're serious about implementing them, " said UK space scientist John Zarnecki, who is a visiting professor at Beihang University, the new name for the Beijing University of Aeronautics and Astronautics.

BBC: Rocket launches Chinese space lab