- 1. 发光能效: Luminous Efficacy
发光能效（Luminous Efficacy）:41m/W5.照度 Illumination（2m ):22LUX6.
dict.youdao.com - 2. 发光效能: luminous efficacy
dict.youdao.com - 3. 光谱发光效能: spectral luminous efficiency
dict.youdao.com - 4. 光源的发光效能: luminous efficacy of a source
dict.youdao.com - 5. 最大光谱发光效能: maximum spectral luminous efficacy
dict.youdao.com
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