名词
中文翻译：事件光柱
同义词：
['light beam incident']
例句：
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1.The incident light beam from the camera illuminated the room.
相机发出的事件光柱照亮了房间。
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2.The incident light beam was used to detect infrared radiation.
事件光柱被用来探测红外线辐射。
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3.The incident light beam was directed towards the target.
事件光柱被指向目标。