When the driving voltage is 25 V,the brightness of this device is improved from 42 cd/m~2 to 355 cd/m~2.The CIE coordinates are x=0.332 and y=0.347.是什么意思_When the driving voltage is 25 V,the brightness of this device is improved from 42 cd/m~2 to 355 cd/m~2.The CIE coordinates are x=0.332 and y=0.347.在线翻译_英语_读音_用法_例句