But some take effect quickly. For example,in six months the new law will bar insurance companies from denying coverage to children with pre-existing health conditions.

VOA: special.2010.03.24

pV=RT p plus a over v bar squared times v bar minus b equals r t. All right if you take a equal to zero, these are the two parameters, a and b. If you take those two equal to zero you have p v is equal to r t.

我们就回到,也就是理想气体,状态方程,下面我们来看看,这个方程。

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And you can take them out of the bar.

你也可以把它们带出酒吧。

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