释义 |
荧光屏yíngguāngpíng涂有荧光物质的屏,眼睛看不见的爱克斯射线、紫外线、阴极射线照射在荧光屏上能发出可见光。如示波器和电视机上都装有荧光屏,用来把阴极射线变为图像。{fluorescent screen; screen coated with fluorescent material, which emits visible light when irradiated by x-rays, ultraviolet rays, or cathode rays, used as part of an oscillograph or TV set to turn cathode rays into pictures} |