The optical properties of backlights for small size liquid crystal display devices were carefully studied.The optical components of backlights were analyzed in detail for their role in backlight unit.是什么意思_The optical properties of backlights for small size liquid crystal display devices were carefully studied.The optical components of backlights were analyzed in detail for their role in backlight unit.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句