Republicans and Democrats expressed identical concerns that by engaging in negotiations, Iran may be playing for time in an effort to move ahead with weapons-related enrichment.

VOA: standard.2009.10.28

We could also figure out the formal charges, and obviously the formal charges between these two atoms, they're going to be identical, we're only dealing with oxygen atoms here.

我们还可以把形式电荷算出来，显然这两个原子的形式电荷，应该是完全相同的，我们要处理的只有氧这一种原子。

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