• 1. optical efficiency: 光效率 | 光学效率
• 2. electro-optical efficiency: 电光转换效率
• 3. optical efficiency reduction: 光学的効率低下

更多释义

• 1.Optical efficiency is the main factor which influences the energy efficiency.
  光学效率是影响能量效率的主要因素。
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• 2.Efficient distribution of light, optical uniformity and a high optical efficiency.
  高效配光技术，光均匀度及出光效率高。
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• 3.Optical efficiency is one of the key problems in design of this kind of solar water heaters.
  光学效率是这类热水器设计的关键问题之一。
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