释义 |
DEFINITIVE EXAMPLES 权威例句〔luminous flux〕The rate of flow of light per unit of time, especially the flux of visible light expressed in lumens.光通量:单位时间内光通量的比例,尤其是以流明表示的可见光的通量美国传统〔phot〕A unit of illumination equal to one lumen per square centimeter.辐透,厘米烛光:光源单位,相当于每平方厘米一流明美国传统〔transluminal〕Passing or occurring across a lumen, as of a blood vessel.经腔的:经过腔的或经过腔发生的,如血管腔美国传统 |