| 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 |