激光学 meaning in English
laser optics
Examples
- Working with international colleagues , they have applied dating techniques on the sediment itself and on finds including a land snail , a water snail and a mammoth tooth , all of which came back with an age of around 40 , 000 years
科协家通过放射性碳鉴定技术和激光学鉴定技术断定，这些脚印属于人类，且约有4万年的历史。除此之外，科学家还发现了一只蜗牛一只水蜗牛和一颗猛犸的牙齿，并断定它们也约有4万的历史。