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德国柏林的光学和高速光谱学研究所研制成一种新型激光器,可准确诊断出早期皮肤癌。这种激光器使用一种名为“纳秒激光”,可用超短脉冲的形式发射出红外线。红外线刺激皮肤上的黑色素,使其发出一种微弱
Germany Institute of Optical and High Speed Spectroscopy developed a new type of laser that can accurately diagnose early skin cancer. The laser uses a technique called “nanosecond laser” that emits infrared light in the form of ultra-short pulses. Infrared stimulates melanin on the skin, making it emit a weakness