The nutrients are deep down in the active layer anyway, not high up near the surface, which is the part of the active layer most affected by run-off.

不管怎样，营养物质存在于活性层深处而不是在表层附近，活性层受径流影响最大的地方。

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This is easily done by selecting the new hatch layer, then choosing "Multiply" in the layer blend mode drop down in the layers palette.

这通过选择新的图层就很容易实现，然后将图层混合模式改为“正片叠加”。

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Ozone Layer was worn down by ODS recently, which resulted in the breaking of ozone layer′s balance and the decreasing of ozone layer′s thickness.

近年来， 臭氧层因受到消耗臭氧层化学物质（简称ODS）的损耗，而造成的平衡破坏、 浓度降低成为全球性的环保热点问题。

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The goal was to substitute photoreceptors with a light-sensitive material capable of restoring photosensitivity to the retina, by easing down the retina on a layer of organic photovoltaic semiconductor.

FORBES: Artificial Retina From A Photovoltaic Polymer

Historically, hardware divisions have been slow to recognise that this is not actually how customers buy products, and locked-down systems are slow to take advantage of the translation layer provided by smartphone and tablet apps.

FORBES: Microsoft Announces UK TV Alliances, Targets The Lean-Back Frontier