亮度标准 meaning in English
brightness scale
brightness standard
Examples
- Verification regulation of spectral radiance standard lamps
光谱辐射亮度标准灯检定规程 - Before 1990 , more than a dozen of overseas nations had founded the standard of spectral irradiance and spectral radiance in succession . the standard of spectral irradiance and spectral radiance in this country founded in 1980s has not met the measurement accuracy required by the research development of national defence
在90年代以前，国外陆续有十几个国家先后建立了光谱辐照度、辐亮度标准，我国国家计量院于80年代左右建立的光谱辐照度和光谱辐亮度标准已远不能满足国防科研发展对测量精度的要求。