portrait什么意思中文 brightness是什么意思 brightness的中文意思

brightness是什么意思 brightness的中文意思  

英音 ['braitnis] ;,美音 ['braitnis] ;,名词 不可数名词：
1.明亮，光辉；鲜艳
2.亮度
3.活泼，愉快
4.聪颖，伶俐
,the quality of being luminous; emitting or reflecting light,the location of a visual perception along a continuum from black to white,intelligence as manifested in being quick and witty,angular brightness 角亮度，按角亮度分布,brightness constancy 亮度恒定性，明度常性,brightness contrast 明度对比，亮度对比,brightness scanning 明暗扫描,brightness sensation 亮度感觉,brightness signal 亮度信号,difference of brightness 亮度差,image brightness 图像亮度,meteor brightness 流星亮度,radio brightness 射电亮度,brightness n. [U]1.明亮，光辉；鲜艳2.亮度3.活泼，愉快4.聪颖，伶俐,Brightness/Contrast 亮度/对比度,high brightness 高亮度