But U.S.Secretary of State Hillary Clinton told delegates at the conference that this transition is not an ending, but rather,a new beginning.

VOA: standard.2010.07.20

Suppose the E incident is greater than the energy in the transition going from ground state n=2 What will happen?

假设入射能量远远大于,从基态向,转变的能量。，to，n，equals，two。,那会发生什么？

麻省理工公开课 - 固态化学导论课程节选