名词
中文翻译：Unknown
同义词：
['1. projection lamp 2.illumination source 3. illumination light source']
例句：
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1.The projector is a crucial component in the presentation system.
投影仪是演示系统的关键组成部分。
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2.The new lighting source significantly improves the brightness of the room.
新的照明源显著提高了房间的亮度。
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3. The projector's projection light source needs to be replaced regularly to maintain its performance.
投影仪的投影光源需要定期更换以保持其性能。