laser

名词 laser:

1. an acronym for light amplification by stimulated emission of radiation; an optical device that produces an intense monochromatic beam of coherent light
   同义词：optical maser

1. In optical recording, refers to the areas of the data tracks which are between the pits. These are typically the areas not touched by the recording laser beam during mastering.
   在光记录技术中，指光道上两个凹槽之间的区域。在制作母盘时记录激光束不照射这些区域。参阅pit。
2. The doctor finished the operation, but his success depended on the backroom boys who had invented the new laser scalpel.
   医生做完了手术，但他的成功有赖于那些发明了新型激光手术刀的研究人员。
3. But can laser beams be developed in such a way to destroy attacking missiles in space?
   但是能否以这样的方法把激光发展到可以在空，凤摧毁进攻的导弹呢？
4. Lasers can be used to perform operations nowadays.
   现在激光可以用来做手术。

la.ser

n.（名词）
Any of several devices that convert incident electromagnetic radiation of mixed frequencies to one or more discrete frequencies of highly amplified and coherent ultraviolet, visible, or infrared radiation.
激光器：使偶然的混杂频率的电磁辐射,变为一个或更多的高度强化和连续的紫外线、可见光或红外线辐射的分离频率仪器中的一种
A device whose output is in an invisible region of the electromagnetic spectrum.
激光装置：把信号输入于电磁光谱不可见区域的一种装置

来源：
l(ight) a(mplification by) s(timulated) e(mission of) r(adiation)
l(ight) a(mplification by) s(timulated) e(mission of) r(adiation)