illumination design principle
illumination design principle
照明设计原理
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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LED type choosing method is analyzed according to etendue theory. Fiber transmission based on LED illumination system design principle and design key points are summarized.
根据光学扩展量理论分析了LED选型方法，总结了基于LED光纤传输照明系统的设计原则和要点。
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