“gemstones enhancement”的概念、定义、翻译、参考文献-科学参考

单词	gemstones enhancement
释义	gemstones enhancement Encyclopedia 工学矿物加工技术释 gemstones enhancement宝石改善运用某种技术方法和处理工艺，改善宝石的外观（颜色、净度或特殊光学效应）、耐久性或可用性，从而提高宝石美学价值和商品价值的过程（不包括对宝石进行切磨、抛光、雕刻和镶嵌等加工方法）。
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