Results and methods of hazard evaluation and protection measures for three kinds of laser operation are reported in this paper.
本文报道了三种激光作业的危害评价方法和结果，并提出需要采取的防护措施。
Her team investigated the vuvuzela hazard using a laser device to measure how many droplets were produced by eight volunteers using the horns.
她的研究小组用激光装置来测量八个吹呜呜祖拉的志愿者所散发出的液滴数量，以研究呜呜祖拉的危害程度。
Her team investigated the vuvuzela hazard using a laser device to measure how many droplets were produced by eight volunteers using the horns.
她的研究小组用激光装置来测量八个吹呜呜祖拉的志愿者所散发出的液滴数量，以研究呜呜祖拉的危害程度。
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