reflectance measurement meaning in Chinese

反射能力测定
反射能力测量

Standard test method for relative tinting strength of white pigments by reflectance measurements
反射测量法测定白色颜料相对着色力的标准试验方法
Investigations of the raw material in hard - coal - mining - microscopical examinations of hard coal , coke and briquettes - part 5 : reflectance measurements on vitrinites
无烟煤开采中原材料的勘测.无烟煤焦碳和煤饼的显微