luminousness

基本解释

Lacking intensity of color or luminousness.
暗淡的:缺乏色度或亮度的。
The light of this one is the same as above, I love the luminousness of the petal.
光照如上图; 放大图可见其晶莹感.;后面能有补光则甚佳
It is remarkable that it is sacttering to lights,that is it could adjust the luminousness of light intensity and UV Rays by changing the claddings and material thickness.
值得一提的是：该类膜材对光线有散射能力，即它可以通过调节覆层和材料厚度来调节光强度和紫外线的透过率。
The luminousness is 50%-96%.
它的透光率在50%25-96%25之间，拉张后的膜面极为光滑且有自洁能力。
Clarified effect of cider which is dealt by chitinous, glutin and egg white is studied in this paper.We mensuratedabsorbency, luminousness, alcohol content, acidity and residual sugar.
利用壳聚糖、明胶、蛋清液三种澄清剂对苹果发酵原酒进行初步的澄清实验,并对处理后苹果酒的吸光光度值、透光率、酒度、酸度和残还原糖量进行了测定,比较了其澄清效果。