Objective To investigate the effect of different pharmacotherapy after lacrimal passage plastic laser operation.

目的探讨激光泪道成形术后，不同的泪道用药方案对预后的影响。

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But another machine in the plant, which USES a laser to scan the passing material, can sort plastic by type and colour with great accuracy.

但是工厂里的另一套设备则不一样了。其利用激光对经过的材料进行扫描，按照塑料的种类和颜色进行分类，且准确率极高。

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EOS, a German supplier of laser-sintering 3d printers, says they are already being used to make plastic and metal production parts by carmakers, aerospace firms and consumer-products companies.

EOS是一家德国的激光烧结3d印制机生产商。该公司称其产品已经被汽车制造者，航空企业和生产消费产品的公司用来制造塑料和金属部件。

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Laser disc players use lasers to accurately read or write marks on a reflective,coated plastic disc.

VOA: special.2010.09.01

He had brought out two large plastic bins filled with the artifacts of his research, and he spread the contents on the table: a metal octagonal disk, sketches on lab paper, a black plastic laser housing that served as the innards for one of his printers.

NEWYORKER: Creation Myth

The pride of completion includes plastic-fashioned laser cannons, escape pods, Darth Vader meditation chamber and a hologram of the evil Emperor.

FORBES: Magazine Article

Two examples that have already proved this--plastic surgery and laser vision surgery.

FORBES: Fact and Comment