“luminous efficiency”簡單造句，luminous efficiency造句子

spectral luminous efficiency

relative luminous efficiency

Features: high luminous efficiency, long life, light color, and small features.

Characteristics: high luminous efficiency, long life, light colour, and gold wand white, through fog and strong. Trigger high-pressure sodium lamp with no external trigger.

With the development of LED, the luminous efficiency and luminous intensity has been improved, which is the foundation that it is used on the automobile.