She said with help from the Brazilian-led U.N.stabilization force, Haiti is also making strides on domestic security, and tackling corruption and the drug trade.

VOA: standard.2009.04.14

If you look at the ground state in two different systems -If you look at the ground state which is n equals one, think about this, if I increase the proton charge, the Coulombic force of attraction is greater.

如果你观察两个不同系统的基态,当你观察n，等于1的基态时，试想一下，如果我增加质子电荷，相互吸引的库仑力就会更大。

麻省理工公开课 - 固态化学导论课程节选

The U.N.and U.S. imposed fresh sanctions on Iran, last month, to force it to stop enriching uranium for its controversial nuclear program.

VOA: standard.2010.07.23

Michael Eisenstat, of the Washington Institute for Near East Policy, says a stabilization force will have to look much different from the current U.N. force, which has been in southern Lebanon for the past 28 years.

NPR: Bush Calls for Peacekeepers �� But Where Are They?

Speaking through an interpreter, President Bashir argued that a U.N. force is a ploy to re-colonize Sudan.

NPR: Rice to Sudan: Cooperation or Confrontation?

"The alternative to a U.N. force is a European intervention, " the official said.

CENTERFORSECURITYPOLICY: Center For Security Policy