Irregular linear opacities;

不规则索条影；

A layer mask can give individual pixels different opacities.

每一层能够给每个像素的不同的透明。

The first type of abnormality on HRCT is reticular opacities.

HRCT上的第一类异常改变是网状影。

To study the influence of antioxidant vitamin intake on radiant lens opacities.

目的为探讨抗氧化维生素对辐射性晶体混浊的影响。

If necessary, the opacities of these ground layers can be lowered just a touch.

如有必要，这些地面图层的不透明度可以降低一点。