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单词 laser
释义 la·ser
\ˈlāzə(r)\ noun
(-s)
Etymology: light amplification by stimulated emission of radiation
: a device that utilizes the natural oscillations of atoms for amplifying or generating electromagnetic waves in the region of the spectrum from the ultraviolet to the far-infrared including the visible region
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更新时间:2024/12/24 10:57:06