超大型刻面宝石抛光实践兼论宝石抛光机制
The polishing practice and polishing mechanism of an oversize facet stone
本文根据圆钻型刻面宝石款式设计的基本原则与要求，尝试建立圆钻型款式设计的数学模型。
The computer aided design system for the round-brilliant-cutting gems is demanded by the development of gems processing .
刻面宝石