We'll also use 3 basic layer styles: multiply for shadows, overlay for lights, and normal for final opaque details.

我们还将使用3个基本图层样式：对繁殖阴影，覆盖了灯光和正常的最终不透明的细节。

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To do this, I duplicated the final image layer, desaturated it, and set the layer blend mode to "Overlay" on top of the original layer.

为了达到这个目的，我把最终的图像复制了一层并减小饱和度，然后把混合模式改为“叠加”，将其移动到原始图层最上面。

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We also analytically overlay excimer laser beams whose parameters are fixed to evaluate the roughness of the final surface of the cornea.

研究在给定光斑参数条件下，所采用的叠加方式，定量地计算准分子激光消融角膜表面粗糙度的量值。

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