这种压力不断作用于富含碳元素的白矮星成分，使其自身结晶成碳的同素异形体，也就是我们所说的钻石。

And that pressure, acting on the carbon-rich makeup of the White Dwarf, may have crystallized much of it to the particular form of carbon we call diamond.

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同时在REGIC中，稀土与碳层间还有共价成键作用，而AGIC和AEGIC中则没有。

In addition, there is covalent bonding between rare earth and carbon layers in REGIC, whereas not in AGIC and AEGIC.

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