词汇	临界亮度
释义	临界亮度医critical luminance difference
随便看	direct violence direct violet direct violet n Direct Violet N direct violet RN direct virology direct viscose direct vision type oto-nasal scope direct-vision type viewfinder direct-vision type viewfinder, frame finder direct vision direct-vision direct vision biopsy direct-vision comparison method direct-vision erecting prism direct vision finder direct vision heart operation direct vision internal urethrotomy direct vision kinescope direct vision method direct-vision method directvision nephoscope direct vision nephoscope direct-vision nephoscope direct vision objective prism