visual red[医] 视紫质visualadj.视觉的；视力的；看的见的；形象的n.画面；图象visual dispersion rating外观分散度visual phototherapy unit可见光治疗机visual perceptual factor视觉感受因素visual transmitter power图象信号输出功率visual angle of populace平民视角visual acuity test chart视力检查表, 斯内伦测视力表Visualization of terrain地形可视化Visual cortical function视觉皮质功能visual modeling language可视化建模语言visual perception tester视力计, 视力检测仪