标签：激光技术 相关文章

用激光技术为迷航的飞行员示警

Laser Technology to be Used to Warn Straying Pilots 用激光技术为迷航的飞行员示警 In September 2004, a Delta pilot claimed a laser beam injured him as he was about to land his jet in Salt

发表于:2018-12-08 / 阅读(55) / 评论(0) 分类 VOA2005（上）--环境科学探索

新激光技术或能更快治疗伤口且不留疤痕

新激光技术或能更快治疗伤口且不留疤痕 For decades, doctors have known that cuts in living tissue can be welded together by heat. But keeping the temperature of the welding tool constant proved to be a daunting problem, according to A

发表于:2019-01-14 / 阅读(79) / 评论(0) 分类 VOA标准英语2015年(八月)

VOA双语新闻：4、激光技术弥合伤口，天衣无缝不留痕

激光技术弥合伤口，天衣无缝不留痕 All surgical patients want their wounds to heal quickly with the least possible scarring. But traditional stitches, clips and more modern chemical glues all have their own disadvantages. Israeli scient

发表于:2019-01-19 / 阅读(46) / 评论(0) 分类 VOA双语新闻 2015年4月
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