坎德拉每平方米 kǎndélā měi píngfāngmǐ

kǎndélā měi píngfāngmǐ phrase candela per square metre
Domain: Modern Chinese 现代汉语 , Subdomain: Physics , Concept:
Notes: The SI unit for measuing 亮度 luminance (Wikipedia '坎德拉每平方米')