Over here in the lower left corner, we have elements that as a group have very low values of average valence electron energy.
在底层的左侧角落,我们看到以组为单位的,价电子能较低的元素。
SI units means everything goes in, in SI, everything comes out in SI.
国际单位制单位意味着所有元素进出,都是以国际单位制单位的形式。
The element is carbon. That is the smallest unit.
那个元素是碳,是最小的单位。
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