结果计算机数字图像分析表明，黄褐斑患者皮损的平均吸光度和积分密度明显高于正常人，并能精确的计算出皮损面积。
Results it was showed by CDIA system that the average optical density and integral optical density of melasma were much higher than the normal ones.
免疫组织化学染色片显微镜下放大200倍，每个标本取6张切片，随机取5个视野，计算免疫组织化学染色的平均吸光度值和积分吸光度值进行半定量分析。
Under the microscope magnifying 200,6 sections of each sample in 5 random sights were selected to conduct the semi-quantitative analysis of the mean absorbance (Am) and integral absorbance (Ai).
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