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。

youdao

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。

youdao