英语翻译Lasers are devices which produce pure,intense beams of l

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英语翻译
Lasers are devices which produce pure,intense beams of light or radiation.The beam of laser can be delicate and sensitive as destroying a single cell of living tissue.This means that it has great potential in the treatment of cancer.Surgeons performing operations have found the laser useful as a surgical knife,able to make bloodless incisions,and it is proving invaluable in delicate eye surgery,particularly on the retina.Skin blemishes can also be removed by means of lasers.

翻译：激光器是产生单色高强度激光束或者激光射线的装置,激光束精致而灵敏,能被用于破坏活体组织上的单个细胞.因此,这就使得它在癌症的治疗上具有很大的潜力.外科医生发现激光束能像手术刀一样用于深切治疗,并且与一般手术刀不同的是它可以让开刀的患者在手术时不流血.其次,（人们正认识到）激光在对于相对脆弱的眼睛的治疗潜力是无穷的,尤其在视网膜手术中更是独占鳌头.此外,激光也被用于去除皮肤上的疤痕和色素.

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