luminous efficacy

常見例句

Such luminous efficacy is probably beyond the scope of incandescent technology.
這種照明效率可能就超出了白熾燈的技術范圍。
Due to its high luminous efficacy and tong lifetime the high-power high-frequency electrodeless lamp has remarkable energy saving effect.
大功率高頻無極燈光效高、壽命長，節(jié)能效果顯著。但其燈泡較高的工藝要求一直是阻礙其批量生產的難題。
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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.
從上表可以看出，由于XED特種節(jié)能燈的高發(fā)光效率，150W XED特種節(jié)能燈可替代400W高壓鈉燈，達到同樣路面照明效果。