Research on the origin and occurrence of gems and jades is one of the hottest topic in geology, gemmology and archaeology.
摘要玉产地来源的研究是近几年地质、和考古界的热门话之一。
Research on the origin and occurrence of gems and jades is one of the hottest topic in geology, gemmology and archaeology.
摘要玉产地来源的研究是近几年地质、和考古界的热门话之一。
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