red degree of saturation

So the paper studies the characters about the red degree of saturation and the average brightness of the fire flame . Find they both have certain laws .
于是本論文首先研究火災(zāi)火焰的紅色飽和度和平均亮度，發(fā)現(xiàn)二者值的大小都有一定的規(guī)律。