When Mister Kao began his research twenty years ago, fiber optic materials already existed.

VOA: special.2009.12.08

They can do research into these materials.

他们可以深入研究这些资料。

麻省理工公开课 - 媒体、教育、市场课程节选

"We've had past world champions that IBM has gone and employed in our Zurich research laboratory and are now working on some of the leading edge materials in science and physics.

VOA: special.2010.03.11