luminous efficiency

常见例句

And its luminous efficiency than ordinary fluorescent lamps increased by 30%, about 5 times the incandescent lamp.
并且其发光效率比普通荧光灯提高了30％，约为白炽灯的5倍。
He said that his company had successfully developed and manufactured high power LED street light and tunnel light whose luminous efficiency reaches 108.6 Im/w.
他的公司成功发明并生产高能LED路灯及隧道灯，其照明效率达到108.6Im/w.这是全球市场中LED照明效率最高的产品。
Exchange 220V LED lamp, have high luminous efficiency, long, green and was already widely used gas-masks advantages, lighting and residential areas, schools, hospitals, public lighting.
交流220V LED防爆灯，有发光效率高、奉命长、绿色环保等优点，已广泛用危险区照明及住宅小区、学校、医院、公共场所照明。