名词
中文翻译：折叠光柱
同义词：
['folded beam', 'folded light wave', 'folded light pulse']
例句：
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1.The scientist used a folded light beam to illuminate the dark room.
科学家使用一束折叠光柱来照亮黑暗的房间。
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2.The engineer designed a foldable light beam that could be easily stored and transported.
工程师设计了一种可折叠的光柱，可以轻易地存储和运输。
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3. In this experiment, the folded light beam was used to measure the distance between two points.
在这个实验中，折叠光柱被用来测量两点之间的距离。