Research on the origin and occurrence of gems and jades is one of the hottest topic in geology, gemmology and archaeology.
摘要宝玉石产地来源的研究是近几年地质
、宝石
古界的热门话题之一。
Research on the origin and occurrence of gems and jades is one of the hottest topic in geology, gemmology and archaeology.
摘要宝玉石产地来源的研究是近几年地质、宝石古界的热门话题之一。
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