luminance meters meaning in English

辉度计

Luminance meters - requirements and test methods
亮度计.要求和试验方法
Luminance meter lux meter foot candle meter
光照度计照度计
Photometry ; classification of illuminance meters and luminance meters
光度测量法.光照度计和光通量计的分类
Fluorescent luminance meter
荧光亮度检定仪
Luminance meters . determination of metrological characteristics , classification according to the latter , calibration , check of the main characteristics liable to vary with time
亮度计.计量特性测定.根据随时间而变化的主要特性的最近状况校准和检查结果测定计量特性并进行分类