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1·We solve this problem by a quantity called the average valence electron energy.

我们通过一个叫做平均价电子能的量来解决这一问题。

2·Chlorine has a high valence electron energy.

氯的价电子能很高。

3·It's got a very low average valence electron energy.

它的平均价电子能很低。

4·All right, well, oxygen has the highest valence electron energy.

好吧，氧具有最高价电子平均能。

5·And we do so by a quantity called the average valence electron energy.

我们可以通过，一个叫做平均价电子能的量来解决这一问题。

6·So, how does average valence electron energy very across the periodic table?

那么平均价电子能，怎样才能对元素周期表产生很大影响呢？

7·And, it says, OK, center the element with the lowest average valence electron energy.

它说，好的，把具有最低平均价电子能的元素画在中心。

8·Its average valence electron energy is 5.2 electron volts, which is a heck of a lot less than 11.

它的平均价电子能是，5。2电子伏，那比11电子伏要少得多。

9·The weakening extent of the transmissive ability is related to electron energy and field size.

电子线穿透能力的减弱程度与电子线能量和射野大小有关；

10·It's got an average valence electron energy of about 16 eV, 16.5 eV, which is a lot greater than 11.

它的平均价电子能，大约是16 eV, 16。5ev，那比11要多很多。