The so called Laser Guide Star helps astronomers correct for the atmosphere's blurring effect as the telescope images the sky.
这颗被命名为激光引导星的假星能够使天文学家们利用望远镜观测星空的时候，帮助他们克服大气扰动造成的模糊效应。
Comau, an Italian robot specialist, now produces a 3d remote-laser welding system that helps make the new Fiat 500.
意大利机器人专家Comau，制造了一个3d遥控激光焊接系统，已被用于菲亚特500的制造中。
During the procedure, you'll be asked to focus on a point of light. Staring at this light helps you keep your eye fixed while the laser reshapes your cornea.
在手术过程中，会要求你注视一个光点，瞪视着它，这样激光改造角膜时有助于你的眼睛保持固定。
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