The first thing they did was to write an advertisement to be published in newspapers.
VOA: special.2010.04.24
And I just want to write those because what I really want to get at is what's the efficiency of the whole thing?
我写出这些的原因,是我真正想得到的是,它的效率?
The first thing we need to do is write the electron configuration for the atom itself, and then we need to take an electron away.
首先我们要做的是,写出原子的电子排布,然后,我们再拿走一个电子。
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