We need to add that doctors also say it is possible to drink too much water.

VOA: special.2010.07.27

But we need to add in homeland security event so let's find the event for Friday of the following week.

但我们要加入国家安全的时间,那么我们可以安排到,下星期五。

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We need to add something else in order to explain what is going on in the Periodic Table.

我们需要引其他一些东西进来才能解释清楚,元素周期表中发生的这种现象。

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And really constantly considering the story and what new twists and elements we need to add to the story are a pretty big deal for us as well.

不断反思这个故事,反思我们需要加进去的新情节和新元素,对我们来说也很重要。

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So we need to add those 2 valence electrons left as lone pair electrons in our structure.

因此我们需要将这两个剩下的价电子,作为孤对电子加到我们的结构中。

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And so for that, we need to add one last thing.

因此我们需要讲最后一件事情了。

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So we don't need to add,in this ad hoc fashion,the no branching rule.

这样我们也就不用加入无分支规则了。

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So we need to add 1 more.

因此我们需要再加上一个。

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So, we need to actually add on this fourth quantum number, 1/2 and it's either going to be plus 1/2 or negative 1/2.

所以我们需要加上这第四个量子数，它等于1/2或者负的。

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So for example, if we think about fluorine, 1 s 2 2 s 2 2 p 5 that has an electron configuration of 1 s 2, 2 s 2, 2 p 5, so all we would need to do is add one more electron to get the same configuration as for neon.

比如，如果我们考虑氟原子的话，它的电子排布是，因此我们所需要做的就是给它加上一个电子,使得它与氖原子的电子排布相同。

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So to really add to this, we need to have branching programs.

因此为了实现这个功能，我们需要分支式程序。

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