英语语法分析

The specific gravity (SG) of gemstones is a constant widely used in gemological property charts.

宝石的比重(SG)不断被广泛使用在宝石特性图表。

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 spectral analysis techniques have been applied to the gemological study and gemstone identification.

波谱分析技术已被成功地应用于宝石学研究和宝石鉴定领域。