gemological

意思翻译 adj.宝石学的 相似词语短语 双语使用场景 A new gemological refractometer based on Fresnel formulas and optical fiber technology was introduced.───介绍了一种基于菲涅尔公式和光纤传感技术研制的新型宝石折射仪。 The specific gravity (SG) of gemstones is a constant widely used in gemological ...