And because most diamonds have a unique combination of inclusions andblemishes, these clarity characteristics act like fingerprints, giving each diamond its own identity.
GIA还负责第一个现代钻石分级报告,其中介绍了钻石颜色和钻石净度的分级方法。
GIA was also responsible for the first modern diamond grading reports,where it introduced grading methodologies for diamond color and diamond clarity.
表面特征通常只会影响前两种等级的钻石(无瑕级或者内无瑕级),而内含物则会影响所有净度等级。
Blemishes usually only affect the clarity grade in the top two categories(Flawless and Internally Flawless), whereas inclusions affect all grades.
这个系统完全用耐UF6的材料(见本节末尾解释)制成,并且按很高的真空和净度标准制造。
It is wholly made of UF6resistant materials(see EXPLANATORY NOTE at the end of this section)and is fabricated to very high vacuum and cleanliness standards.
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