Other instruments sense a stone's photoluminescence in laser light.
Other instruments sense a stone's photoluminescence in laser light.
其他仪器则是检测宝石在雷射照射之下发出的冷光。
Other instruments sense a stone's photoluminescence in laser light.
其他仪器则是检测宝石在雷射照射之下发出的冷光。