亮度比 meaning in English
brightness contrast
brightness ratio
luminance ratio
Examples
- And it has been shining at levels brighter than other supernovae for several months , smith said
史密斯称这几个月中它呈现的亮度比其它的要亮几倍。 - It will rise at sunset and loom high at midnight , an orange beacon 15 times as bright as the leading stars of summer
火星将于黄昏时分升起,在午夜时高挂天空,这颗橘色火球的亮度比夏季天空中最明亮的星星还高出十五倍