luminous efficacy

常见例句

Such luminous efficacy is probably beyond the scope of incandescent technology.
这种照明效率可能就超出了白炽灯的技术范围。
Due to its high luminous efficacy and tong lifetime the high-power high-frequency electrodeless lamp has remarkable energy saving effect.
大功率高频无极灯光效高、寿命长，节能效果显著。但其灯泡较高的工艺要求一直是阻碍其批量生产的难题。
d.wanfangdata.com.cn
From above table, due to the high luminous efficacy XED energy-saving lamps, 150W XED special energy-saving lamp can replace 400W high High-pressure sodium lamp to gain the same road lighting effect.
从上表可以看出，由于XED特种节能灯的高发光效率，150W XED特种节能灯可替代400W高压钠灯，达到同样路面照明效果。