"It is a double track approach,of course, to have a very clear position on sanctions, not only on Security Council, but specific new measures from the European Union on the financial side - on the oil and gas sector, in all elements that can give to Iran a very clear message that they have to move and respond to the requirements of the international community."

VOA: standard.2010.07.28

The first thing I have to do is give you understanding of the physics of the gas discharge tube.

首先要做的就是让你们理解,气体放电管的物理学原理。

麻省理工公开课 - 固态化学导论课程节选