虽然白炽灯的发光效率极限是每瓦52流明，然而这钨丝在其熔点的理论亮度。
While the upper limit for incandescent lamps is 52 lumens per watt, that is the theoretical luminosity of tungsten at its melting point.
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。
And its luminous efficiency than ordinary fluorescent lamps increased by 30%, about 5 times the incandescent lamp.
光谱十分接近于太阳光谱， 从而使灯的发光效率及显色性大为提高。
Spectrum very close to the solar spectrum, so that the light-emitting efficiency and light color of greatly improved.
应用推荐