例句 /

Adamas Gemological Laboratory in Brookline, Mass., has developed a spectrophotometer that shines full-spectrum light through a stone and detects specific wavelengths that are absorbed by occasional nitrogen atom clusters, common in natural stones but not

Adamas Gemological Laboratory in Brookline, Mass., has developed a spectrophotometer that shines full-spectrum light through a stone and detects specific wavelengths that are absorbed by occasional nitrogen atom clusters, common in natural stones but not

美国麻州的爱达玛斯宝石学实验室已研发出一台分光光度计,可发出全光谱的光,穿透宝石后,侦测被氮原子簇吸收的特定波长;氮原子在天然宝石中相当常见,却是合成宝石所没有的。