It has similarly failed to respond to an invitation by European Union Foreign Policy chief Javier Solana for a new round of talks on its nuclear program with the five permanent U.N.Security Council member countries and Germany,the P5+1.

VOA: standard.2009.06.24

If you wrote only one policy, what's the probability distribution of x/n?

如果你只签了一份保单,那么x/n的概率分布是怎样的?

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