光衰 meaning in English
lumens depreciation (evanescence)
Examples
- A new kind of optical waveguide and its application in optical attenuator
一种新型光波导及其在光衰耗器中的应用 - Adopting high - quality trichromatic rare - earth phosphor with the advantages of good light effect , little light decay and nice chromogenic reaction
3灯管荧光粉选用优质三基色稀土荧光粉，光效高，光衰小，显色性好。 - All light source of led cluster lamp apply the chip with the features of super - bright , low - loss light and high - antistatic , the led cluster with 50000 - 80000 hours life and soft and fresh color
A所有led射灯光源均采用超高亮度低光衰高抗静电芯片，光源寿命可以达到8 10小时， led射灯光效柔和色泽艳丽。